MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious by ML and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links to compromised websites, suggesting it is part of a link farm designed to redirect users to malicious content, likely a phishing lure for firmware downloads. No scripts were extracted, but the presence of multiple external URIs and compromised CMS upload links points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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=mxq+pro+4k+s905+firmware+download PDF link annotation
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160770eaa9730c---jozugurepivepofewa.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/nha85u2s5u36j0qeat5sodgjn0/45214220388.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/a3l7ivitjlvq568o7er77p7qu0/xugirijofa.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/64208510155.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d19f6929a6---7998821551.pdfIn PDF document text
- http://posekatzahradu.cz/files/file/kufumupikotupinera.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089d489b9da1---funubozesutogadot.pdfIn PDF document text
- https://flardochform.se/userfiles/file/67774354244.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/mf7qpdi83ucjv49rfee92p30n8/dagenizizugozefijipe.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/b6878ee748c3fcf0e84a3380b2bb4a2a/vuwuzalesolotej.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/c415c1df38bf7b9433bc64a8897c2a9b/wemubejikipokowukezug.pdfIn PDF document text
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e2376295e---20257135822.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/70878957365.pdfIn PDF document text
- https://monocroma.it/wp-content/plugins/super-forms/uploads/php/files/bd4ba7307ef2a4aa1fe489d36b6b71fc/wasewimonuzifudulef.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a41f0c9b5a8---1278839454.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_off0000dc51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC51 | 6052 bytes |
SHA-256: 2a6b6a4e82067aedbd184b2dc129a54eba6cfc4c69509ccfc065dbd59572af46 |
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font_01_sfnt_off0000f107.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF107 | 11764 bytes |
SHA-256: c7bd65b1290bb162416585d8a1cfd5688f8e021a0eb4f0b3dc8e3c854cc96081 |
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