MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The document body, though heavily obfuscated, appears to be a lure related to a service manual, likely to trick users into clicking the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://crewmak.ru/uplcv?utm_term=bizerba+se12+service+manual PDF link annotation
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/vnlsu0jn27gvdkcfeedbv7h3mj/7225194350.pdfIn PDF document text
- http://placc.info/up_image/jisasejononafabatef.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/d98a0540ff7357d8dbadef7d801fd539/mosil.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/163da1a89a0b3350e35f10def834b0d8/47527912442.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/20210514/21051406020088974902fymwd5yp0a.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/9665ce363ab994a096ed48cb53aa7f07/rufareminegepizuvi.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/sewefumotavodobobisilu.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcbe83b048---xikibupolasesufewuw.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/t2n7gachsmlr1636oq7lsqh30v/17706089775.pdfIn PDF document text
- http://ingenermarket.ru/userfiles/futazolevexinog.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/69802640732.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/0f77ddc3b09986573d92ac6ab43bb30e/zewelenozej.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/2c03f3785ce222326985193d64369a5d/32820171928.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921c3b45e36---mezeba.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16076d7323d925---pekexedozemozad.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160754f1653871---25426219617.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bb61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB61 | 5428 bytes |
SHA-256: 66e70d05214801139ff32a9d7d6448f299a8a31f05ac0b52cb9358c51e75d4c6 |
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font_01_sfnt_off0000cdd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDD6 | 11632 bytes |
SHA-256: 200019118deab5a172ca85437962dafcebd3b4761d9f2b8b0355abbc78155c62 |
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