MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links pointing to compromised WordPress sites and disposable domains, likely intended to host malicious payloads. The heuristic firings indicate a link farm strategy, with many distinct hosts and URLs designed to distribute malware. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature, suggesting it's part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://synerhu.ru/uplcv?utm_term=avoid+meaning+in+bengali
- http://innotack.com/userfiles/files/66300424431.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/aa328ce98c59b8bedeba540ce0d48d26/mafipite.pdf
- http://jameshamiltondds.com/clients/6/6c/6cc67b5d90347a591bf4e9c0b97a5143/File/povabijabenibufavap.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/dqvscocasuoh1vs5rvnc63svtr/91402764122.pdf
- http://sumbulefendiegitimvakfi.com/resimler/files/31678101605.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc338accc89---zutos.pdf
- http://pensacolahigh1964.com/clients/1/1d/1d652d7f5bd5fd2f3712913460b20393/File/16180786599.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3ccd19a38---91710306275.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/1907a3a198f4ef9859e9eb7d6bcb8a84/5156786035.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/33f9006ef390239c22065509167ad8fb/vuxabodarifaxululonone.pdf
- https://cs168.tw/upfiles/editor/files/xomajafono.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dc2495e95db---dujowivinaxagesotetabuji.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/94eea1cfb5f81356821e5685d036235c/kokidod.pdf
- https://ambulatorioveterinariosismondi.eu/file/benamumobalijojasob.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23684859cf---tuxanozusomegog.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/4789025982d4839e255955e82e2b14e0/tawezelefenodilivesive.pdf
- https://condominiovillage.com/userfiles/file/zibalop.pdf
- http://xn--9w3b11kh5l.com/ckupload/files/fexar.pdf
- http://amadpich.com/userfiles/file/5910060810.pdf
- http://www.odnpoznan.pl/fotki/file/file/zemelobopobigid.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084082d13b3d---biwozixega.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/7ed4la2amf6s8a0jfo1a8v4m1m/62281429448.pdf
- http://lamekatus.ee/uploads/ckeditor/files/tajunazobikeborugolu.pdf
- http://119pump.net/d/files/jetufabotalotowoduzigew.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcf0.binb46a7667bf5a09c137db619aec5d4f970f8770f5062abd78d159c51452f903f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF0 | 10412 bytes |
font_01_sfnt_off0000f43b.bin75e744862178dd48553af105cf2098f121fcc353bf7e7b86eea203964de3f04f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF43B | 15968 bytes |
font_02_sfnt_off00011d56.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D56 | 16792 bytes |
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