MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload storage locations and other domains, likely for phishing or malware distribution. The embedded URLs, such as 'https://coretry.ru/uplcv?utm_term=feasibility+study+of+delivery+service', suggest a lure related to delivery services.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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 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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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=feasibility+study+of+delivery+service PDF link annotation
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076f2e8be7e3---7582625356.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/hnmu61grh6014fba4t9h70e36s/dewiredo.pdfIn PDF document text
- https://prestinireedcorp.com/userfiles/files/metolimo.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/5574710139.pdfIn PDF document text
- http://apsara.ru/userfiles/file/lakogevojo.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160ca02fe31892---vejosoraj.pdfIn PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/48286313583.pdfIn PDF document text
- http://casier-a-bouteilles.com/file/gefonarasa.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3e545508b---zidibazuxifubapu.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160915fbe55e82---89625748866.pdfIn PDF document text
- http://optikametuje.cz/userfiles/file/wekugep.pdfIn PDF document text
- http://www.vegagastro.pl/upload/file/52467615659.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a925337fcf4---37411741427.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/oecsclv6jl868b9ttdl8s7qh96/86260235409.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6b9250a07---78694485719.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/tm6qb3s0b7lp5cnr25ijmucqc2/kexupofupar.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/ee458e71b5bde301a41f524b6af9a23c/52198264959.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/78362699625.pdfIn PDF document text
- https://llsindia.in/FCKeditor/file/libizomup.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdcc35c984e---46799789943.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160892e2f5babf---nibowup.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096f0633903f---2408880200.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caa7f618be---gusarar.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/jebeledalinoxujirusogago.pdfIn PDF document text
- https://namratalakhotia.com/userfiles/files/zasozod.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_off0000d4ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4AD | 17148 bytes |
SHA-256: b906ffdee4e49936128859954f510cd063626998ea1d842ba10d0e182788bbef |
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font_01_sfnt_off00010080.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10080 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11897 | 10764 bytes |
SHA-256: b722c5a742ec8d01f47a1e94960c1469755f0e081ea0bbe650131d0d798c8b12 |
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