MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to external URLs such as 'https://pelibifir.ru/strik?utm_term=is+the+stock+exchange+open+on+july+3rd' and 'http://sutezesibopixiv.medianewsonline.com/public_administration_in_tanzania.pdf'. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create PDF documents from web content, further supporting the link-based attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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://pelibifir.ru/strik?utm_term=is+the+stock+exchange+open+on+july+3rd PDF link annotation
- http://sutezesibopixiv.medianewsonline.com/public_administration_in_tanzania.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490369/normal_60262e8530351.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374860/normal_604647691f48a.pdfIn PDF document text
- http://laluwaraselolar.mywebcommunity.org/53004612615.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393514/normal_5ff7f4b9b2d2d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418362/normal_603970597d26b.pdfIn PDF document text
- https://bolukuja.weebly.com/uploads/1/3/0/7/130739437/siwebuk.pdfIn PDF document text
- http://pisufixefonof.scienceontheweb.net/breast_cancer_project.pdfIn PDF document text
- https://jotulamopusojo.weebly.com/uploads/1/3/4/4/134465369/3150534.pdfIn PDF document text
- https://nedalejurozawo.weebly.com/uploads/1/3/0/7/130776692/dabotovutibusa-daxopimadapife-lomolisamif.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494874/normal_5ff0c0050d9bf.pdfIn PDF document text
- https://tifalexax.weebly.com/uploads/1/3/4/4/134471923/damatule_zakezajejodi_likezesetuvut_rugaravoril.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462980/normal_6046d7a7e6339.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409420/normal_605ef63727ddd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d67926d6-99fe-48a4-938f-95006fdf2de6.filesusr.com/ugd/21d82e_61fe01128eee401796dab7050729bc50.pdf?index=trueIn PDF document text
- https://6ddb26ad-aa8e-4a3e-a925-5cef6fc035e1.filesusr.com/ugd/d3d820_3a1d9bea24a7478795ad6ace997f5941.pdf?index=trueIn PDF document text
- https://ff19a39e-637c-4fc6-80cc-750024e8dd37.filesusr.com/ugd/d217e2_7a8cd8b6fa3847e98fd63b5bfa654855.pdf?index=trueIn PDF document text
- http://fubavinexazixo.onlinewebshop.net/bright_line_eating_cookbook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b3e6fb6-03df-4dea-ad97-c21cb5516044/buying_a_business_checklist.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/682b47a6-648c-4487-a790-0aaf23c75b4f/kapalanilegipolisomax.pdfIn PDF document text
- https://80c8fd16-4cf8-4f9f-b52b-d6c956df8f3b.filesusr.com/ugd/1a94e8_afe931c29c5e4e9a8754cac7127079ea.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e1ff8abe-7b7f-4038-ae47-f5802644893d/zadudijatawu.pdfIn PDF document text
- http://samajusinifako.atwebpages.com/gokuvekizorabupuloganenud.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_off0000ecba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECBA | 5748 bytes |
SHA-256: 73cccfc63b4f22eb4bef992c0cfd0e9fd57788c49400bad4b029becccd699d91 |
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font_01_sfnt_off00010059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10059 | 11536 bytes |
SHA-256: f0b74a67743059f4d0d9936725d4bd4f04807815f20f69bfef651d9669bd66ec |
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