MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO spam campaign. The primary malicious URL identified is https://vilenefex.ru/strik?utm_term=functional+safety+analysis+example, which is likely used to redirect users to malicious content. No scripts were extracted, but the PDF structure and link farm indicate a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://vilenefex.ru/strik?utm_term=functional+safety+analysis+example PDF link annotation
- https://zekasujiminog.weebly.com/uploads/1/3/4/3/134366003/fonegetujowage_pumagizozor_wakuxowox_goles.pdfIn PDF document text
- http://witaxikej.22web.org/shark_navigator_dlx_reviews.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393020/normal_6049d86fe911f.pdfIn PDF document text
- http://milawigigobo.iblogger.org/wonugevine.pdfIn PDF document text
- https://xinozujo.weebly.com/uploads/1/3/0/8/130874257/8876671.pdfIn PDF document text
- http://xekuluw.iblogger.org/tepekoloralu.pdfIn PDF document text
- http://top-odejda.com/5701572136002m47.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382773/normal_5fe52c90a183f.pdfIn PDF document text
- http://cmb-accueil.com/harbor_freight_10_drill_press_review5im5q.pdfIn PDF document text
- https://vofitusu.weebly.com/uploads/1/3/5/3/135301199/5964995.pdfIn PDF document text
- http://sobozunikira.22web.org/xonejopatazegaput.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/c8066465-a785-440a-aafd-0ce19ae1cf31/ridgid_mobil_air_compressor_5-in-1_model_of50150ts_manual.pdfIn PDF document text
- http://xenemusexo.epizy.com/crusader_quest_challenge_mode_guide.pdfIn PDF document text
- http://kezavuvito.rf.gd/11218809849.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/105f4077-8b28-4f9b-b446-e1bdbb73d3e4/lock_pick_kits_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56b73b80-8e9b-4f24-b4d4-c31e9df557aa/organic_chemistry_lab_report_conclusion_example.pdfIn PDF document text
- http://sajetubaj.epizy.com/7196601342.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6db54155-2a71-4e13-8047-6f6bea1b89ec/aa_meetings_cary_nc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/60d0b583-fb07-41e9-8901-fb95b43c370d/what_soda_do_you_mix_with_crown_royal_apple.pdfIn PDF document text
- http://wovuwerepiraf.rf.gd/altruism_philosophy.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000140fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140FB | 1940 bytes |
SHA-256: 8152652a80ad67a5f70e91fa737835177b61397b35bf552d12e4e31def518fee |
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font_01_sfnt_off00014a45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A45 | 5188 bytes |
SHA-256: 9c07d04ae6df79952619c1e3126ed38e005da861fcf44827db4daa89e08d89ac |
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font_02_sfnt_off00015bf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BF8 | 10520 bytes |
SHA-256: eb589f009bdb89d7edd08a6f20831cca2270c8e21f351a983bcfc8b7042b65c4 |
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