MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to external websites, many of which are hosted on compromised WordPress installations, suggesting a link farm designed to distribute malicious files. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics confirm the malicious nature of the file. The presence of embedded URLs and the 'SE_ENABLE_LURE' heuristic indicate that the document is designed to trick the user into clicking links that likely lead to further malicious content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://coretry.ru/uplcv?utm_term=can+you+turn+a+pdf+file+into+a+word+document PDF link annotation
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea3ed689ae---besowanogixalafuxawewomem.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/0def83c27afb7a3f4c735ef1decb2989/xoturofasobe.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800ba04b8de---18665997766.pdfIn PDF document text
- http://taeguektour.com/FileData/ckfinder/files/20210528_61E2523A90A8BE4A.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/2963706398.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782747a082b---damimuvetekuzukoli.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607f848eedde1---65653970126.pdfIn PDF document text
- http://draftingfloorplan.com/ckfinder/userfiles/files/73119177627.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16075f23a2d4fb---kilodefitexaraxafewexe.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/56458624bbb9a85a7f7f252d3498e03d/kebusog.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ee01ecee3---zezikow.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/55c14e16a0fa48470971c4c759568aa3/4635050183.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/76fbd92bb3aaf2c62a6900f0cc3be827/putixaduzozatokafenaxax.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/cf34465b01f6be7b75795c36fcd72cdb/jirizunitipupebiliz.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/efb3ea3d71e5cd71e6668bf912729799/vokemizagixipuso.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077acab95acd---81642720398.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096183cba3da---79769527475.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/db9a5ab200ebcd38e1197b1c3adb0e22/betup.pdfIn PDF document text
- http://tvtamminhphat.com/uploads/userfiles/file/4978344035.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070114477f4e---dunimex.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/srkvc0r7i99bicomrdo3tg9fl5/sopezaworadesemez.pdfIn PDF document text
- https://irrisyst.eu/files/file/9664058153.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b04a45a4c9e---jakafat.pdfIn PDF document text
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609afb410062c---siwexaledozu.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d25c439a3fd---kowekomiwi.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA24 | 10944 bytes |
SHA-256: a2e1b38ae7b4bee9ccdd8020eabffea26c6fceeca94bda0d303eb234a3c07b60 |
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font_01_sfnt_off00011396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11396 | 17376 bytes |
SHA-256: 9e01916e09e040061aa202756a51c3cdb65dbefab725241760d77c4710af3735 |
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font_02_sfnt_off00014145.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14145 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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