MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains numerous external URIs, many pointing to disposable hosting, suggesting a link farm or SEO poisoning attempt. The primary malicious URL identified is https://bologen.ru/award?keyword=mark+twain+cannibalism+in+the+cars+pdf, which likely serves as a lure to distribute further malicious content or phishing pages.
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://bologen.ru/award?keyword=mark+twain+cannibalism+in+the+cars+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4383695/normal_603b215080246.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367668/normal_5ff77346e6287.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445130/normal_60554c55522ea.pdfIn PDF document text
- http://klossheff.xyz/dukilalufukorupazolimelovytx4d.pdfIn PDF document text
- https://cdn.sqhk.co/xarozowuzosa/iehiKhf/nawojutuwakureroded.pdfIn PDF document text
- https://cdn.sqhk.co/gusiloxi/jbWogh8/qvacall_base_de_datos_2020.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484993/normal_5fe7d0f187b9d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489983/normal_604efe554ab7d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418558/normal_600b1680e9926.pdfIn PDF document text
- http://setofexperience.site/analisis_numerico_burden_8_edicion424pv.pdfIn PDF document text
- http://flowerport.market/kelulemeshpo2b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405895/normal_601fbb8ee616d.pdfIn PDF document text
- http://saratov.ooo/vivekizosuworivewupqyk1k.pdfIn PDF document text
- https://cdn.sqhk.co/moxoxitij/FuGEdjb/planet_zoo_sandbox_vs_challenge.pdfIn PDF document text
- http://ryukzak.digital/buchwald_couplingar0dk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465006/normal_6015eef8d0059.pdfIn 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/4c19bb24-7745-41b4-b2dd-d4e399b9fdb0/maverick_et_733.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba82cece-4cb5-4e87-9737-231e24272ebb/how_to_connect_jabra_elite_75t_to_macbook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/321fabb0-8c2c-4048-9fda-82e29e9d8071/julasi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba97b3ef-ac76-4a63-ac6b-9371385a5859/educational_psychology_case_study_examples.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c25b4044-6662-4566-9bf7-6186a557fe9e/kesumogijukur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff97da4c-0a22-4a42-a35c-12593b0e4ed1/99486011961.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e98f433-6366-4e87-ab0f-4582867b76d2/what_is_the_polar_coordinate_system.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/371423ce-c063-4d71-aaae-646b106756d3/44494364628.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/626c4d63-f8c0-42bc-851a-9e2fd0a42774/sipulal.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_off000118cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118CD | 5696 bytes |
SHA-256: e1d57b2f77ecae78c83a71b632fb3731eb3faa2093079e26509dd2a999cab232 |
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font_01_sfnt_off00012c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C21 | 10340 bytes |
SHA-256: 014f9a20d6057b316da593a371e60a41d84cf23b23fe2af1c0f8e262a7cc228a |
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