MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains embedded JavaScript and a link farm pointing to compromised WordPress sites and other external domains, suggesting an attempt to redirect users to malicious content or phishing pages. The presence of embedded JavaScript indicates a potential for further malicious actions beyond simple redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://artecgroupservices.com/imagenes/file/65345870157.pdf In PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/583c82b7ac2e284296fdd48d5be17511/29547962668.pdfIn PDF document text
- http://ilkyoukais.com/Images/Media/files/jexukevomobulixezumap.pdfIn PDF document text
- http://dieterheich.de/images/uploads/file/kerevezo.pdfIn PDF document text
- http://microcement.ua/userfiles/file/65393721274.pdfIn PDF document text
- http://cafegreenwichvillage.com/uploads/files/30246322604.pdfIn PDF document text
- https://mongolia-volkslift.com/uploads/files/5388345515.pdfIn PDF document text
- http://xmzs.org/userfiles/file/48143648848.pdfIn PDF document text
- http://ontis.sk/editor_uploads/system/files/mebavidinuxejesufu.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfd4d7f3c8---papelijabe.pdfIn PDF document text
- http://24horasnoar.com.br/ckfinder/userfiles/files/23028981412.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/wubaxigut.pdfIn PDF document text
- http://talesma.com/E/file/26675094173.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/69411f8e8274b90b1564932c9f1c2116/21918050414.pdfIn PDF document text
- http://itfkarnataka.com/cvsprojects/SSK/Source/2.0.0/images/files/moniweragowoderul.pdfIn PDF document text
- https://ubk-sad.de/azubi/userfiles/files/53952657557.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddb6fce2b8---3542809458.pdfIn PDF document text
- http://marketypik.pl/zdjecia/fck/file/mujotikikutifurize.pdfIn PDF document text
- http://maimungkorn.com/UserFiles/file/39396366890.pdfIn PDF document text
- http://adec-interiors.net/Uploads/file/87898778549.pdfIn PDF document text
- http://naso10.com/userData/board/file/mesabozalofizaxona.pdfIn PDF document text
- http://qcfloor.com/userfiles/file/8739036602.pdfIn PDF document text
- https://moraure.net/js/ckfinder/userfiles/files/44580618462.pdfIn PDF document text
- http://mvpbuilding.com/userfiles/file/73909314894.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=pes+2019+ppssppPDF link annotation
- 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_off0000d396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD396 | 18760 bytes |
SHA-256: b52086aab2ffe02e324cadf5b74cf64030070cd72bc09ccde66ee4bd2161bfb7 |
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font_01_sfnt_off00010448.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10448 | 9988 bytes |
SHA-256: bfdf00925c09bac5a2a48c69fcda0331aae09d1384a551c83c8d3a8540fa1e8a |
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font_02_sfnt_off00011aa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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