MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links pointing to malicious redirector infrastructure, specifically 'https://dafemum.ru/strik?utm_term=john+deere+345+hood+repair'. Heuristics indicate this is a malicious redirector and a link farm on disposable hosting, strongly suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=john+deere+345+hood+repair In PDF document text
- https://static.s123-cdn-static.com/uploads/4384026/normal_60018104027d3.pdfIn PDF document text
- https://dudafizegananif.weebly.com/uploads/1/3/4/8/134864336/dagagile_kujaf.pdfIn PDF document text
- http://zonafuluza.iblogger.org/remizujos.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367299/normal_605fb4840c244.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412588/normal_606e59c3ee509.pdfIn PDF document text
- https://bodonoweti.weebly.com/uploads/1/3/1/8/131856710/37f10e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404296/normal_60280d2bc19b5.pdfIn PDF document text
- http://kasyanbeauty.com/914897392381gtnc.pdfIn PDF document text
- http://mimivudarevi.scienceontheweb.net/equations_with_algebraic_fractions_worksheet.pdfIn PDF document text
- http://vevufilusik.scienceontheweb.net/iso_9001_internal_audit_procedure.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460688/normal_6020d2b99104e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424009/normal_602f11f99de5d.pdfIn PDF document text
- http://phrensy.co/how_much_weight_can_a_15_hp_outboard_pushfnolq.pdfIn PDF document text
- http://kemedejovon.getenjoyment.net/apprendre_francais_en.pdfIn PDF document text
- https://lapefobok.weebly.com/uploads/1/3/4/6/134663543/zoxebima.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fepoxojosatomu.epizy.com/75803213177.pdfIn PDF document text
- http://lufiwivumijej.myartsonline.com/lutalonusum.pdfIn 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_off0000e76c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE76C | 5204 bytes |
SHA-256: af82caa745d56d1dc3c166135f35bf8627b0d151139d5ed55ef4214ba18ae8ef |
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font_01_sfnt_off0000f91b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91B | 11044 bytes |
SHA-256: 675428102d3eb96134b77110ac343649c7282d47312e7915ee6155debab91989 |
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