MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many pointing to disposable domains, and is flagged by heuristics as a link farm and by ML classifiers as malicious. ClamAV also detected it as Pdf.Phishing.Trojan. The primary URL, 'https://seumenha.ru/strik?utm_term=suzuki+samurai+isuzu+diesel+engine+swap', suggests a lure related to vehicle engine swaps, likely to attract unsuspecting users. The document body is heavily obfuscated, but the presence of external URIs and the link farm heuristic indicate a phishing or SEO poisoning attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 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://seumenha.ru/strik?utm_term=suzuki+samurai+isuzu+diesel+engine+swap PDF link annotation
- https://cdn-cms.f-static.net/uploads/4373016/normal_604ba6682df2b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373004/normal_5fd9cdf1bf3a9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463794/normal_601da4b1a9352.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474759/normal_60252bef9231b.pdfIn PDF document text
- http://natosabi.mygamesonline.org/strategic_culture.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369907/normal_601fd25fa9da1.pdfIn PDF document text
- http://bufibinokurun.scienceontheweb.net/1969_ford_mustang_mach_1_428_cobra_jet_horsepower.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410020/normal_5fd63bb36a753.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410694/normal_5fc86fb989b05.pdfIn PDF document text
- http://metiwizonud.getenjoyment.net/toefl_reading_comprehension_and_vocabulary.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369164/normal_5ffd020e34892.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390381/normal_5fcaeb8f4807a.pdfIn PDF document text
- http://melowew.scienceontheweb.net/40k_codex_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408599/normal_5fdfaadcce464.pdfIn PDF document text
- http://vclean-sale.shop/corningware_slow_cooker5v2zg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454677/normal_5fda4729d1ff7.pdfIn PDF document text
- http://help-violation.com/narapevekuniqpsvt.pdfIn PDF document text
- http://lazadacostumercenter.com/dufigekusilematalejowewankgim.pdfIn PDF document text
- http://zajevafegex.iblogger.org/delonghi_pac_a120e_exhaust_hose.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448549/normal_605f6366c4eba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452398/normal_60432de489e18.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454694/normal_600b67eaafb62.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zijedan.atwebpages.com/digixejemoto.pdfIn PDF document text
- http://limuzanesaz.rf.gd/sopire.pdfIn PDF document text
- http://zetipetarot.rf.gd/metaphysical_anatomy_book.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_off00012408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12408 | 5588 bytes |
SHA-256: a2c11c381c41bf97ea13f36e92a8b64bc43c3bde56eb81b99c34733b7decad72 |
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font_01_sfnt_off0001370f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1370F | 11432 bytes |
SHA-256: 238dc16833dc3a7627225e290ee9f7dba93d8822ff8d8ac1e00c7da3cbcd3bf6 |
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