MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link farm pointing to multiple compromised WordPress sites, likely intended to trick users into downloading a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body's garbled content suggests it is not meant for direct user consumption but rather to host the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://wastran.ru/uplcv?utm_term=kaatru+veliyidai+starmusiq
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/9bq2904d4je9v30ifvdsqoff83/78446509452.pdf
- https://eminencesolutions.in/resources/userfiles/file/63443484542.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/9upv86vrjbf8tvs1gk5ktlpjm5/natoxebus.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811b1dae612---sujowi.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/hhnc9rsk9roj0c4mi9lc08cci0/75266401034.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b66b13dfed0---62176797216.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e718af9be---30061776358.pdf
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/1ca1a8e8e03e371402ad7ef7920b47a0/51843200431.pdf
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/79d75a9c0bd9c3382d2388a4efe85d8f/75793902503.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0c5b47152---98185757282.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5cee5acfb---pexudukasirefogesuxuxu.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfff4c715a---jomepajidelimatowi.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f67981ea2---tibixo.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/nf40so8vpu2qv2iee0krj45h32/puzepefemufi.pdf
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606f019f1a0ef---xewalenamunew.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7d3.binae9962db874fade00146cc9a5b7aedad1f2c54f86a7a28d7569c545d79ee7b79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D3 | 5228 bytes |
font_01_sfnt_off00010995.bin7a36825c530cae9af87ac8bdd8680a56532572df184b0ea7b0ac17a05f355735 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10995 | 11196 bytes |
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