MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to host malicious files. The presence of a 'download' lure and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading malware. ClamAV detection further confirms its malicious nature, identifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/8b2a5722001977dabc93209359bac3a5/993874302.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/8506954434402a40af9c191d844d60cb/74384533442.pdf
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/7a9a094d8b6dfc750b739dca12525703/89034641760.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/mdqc0rqcv5m9kcmib81t3poegc/43986339250.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c3a056f82e75ed4064bc681baf48eead/sogexiga.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607544936b0b8---71996350483.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d42959be38---topof.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722bb344d0c---7977034522.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081565f70783---vidafiketuvisawoxowiseba.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/403c11e2b3090fc03b089808d4a457e2/tatoxuwipolokarakoridevi.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/2gc9qbhe05gbkji8onjb6lpf9r/46134579239.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/6778b1be48046f31ff97f1a5c6012954/giraj.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160705d8fc184f---wadobomilumenefuzipi.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/dc46a7830b2ab53c31430802b8817716/robejevakekutinepeta.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/c6f7d617fb82ef56c7dc102139e70f50/31866038100.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=dell+r730+drivers
- 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_off0000f746.binf0830b3572e6f7fc4054e6c608263532b6fdfefb2f08c94d01c89c4a5d608d56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF746 | 5056 bytes |
font_01_sfnt_off0001089b.bin58da6a7db2b29a50cc1a9d284976c31a865a8e6dbfc43f42485de1ea6fd5006e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089B | 11104 bytes |
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