MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, identified as a link farm, with one primary URL pointing to zajinet.ru. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document's structure and numerous outbound links suggest it's designed to redirect users to potentially harmful content or facilitate further malicious activity.
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://zajinet.ru/strik?utm_term=how+to+read+the+secret+book PDF link annotation
- https://cdn-cms.f-static.net/uploads/4372963/normal_60129a1b68ce6.pdfIn PDF document text
- http://scoretdho.best/roravunuwonifijuq427.pdfIn PDF document text
- http://dimax-matrasy.ru/what_is_bachelor_of_science_in_commerce_major_in_managementfz7dd.pdfIn PDF document text
- https://wuzovogupo.weebly.com/uploads/1/3/4/7/134720757/noniwuxi-tebamewoki-dubur.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459325/normal_5fe8091a3713c.pdfIn PDF document text
- https://julasunanuk.weebly.com/uploads/1/3/4/3/134308365/zonoj-disis.pdfIn PDF document text
- http://semengergel.ru/super_smash_flash_2_6969586zr.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419425/normal_5fdb17663f65a.pdfIn PDF document text
- http://indir-kazan.com/truck_simulator_2_america_usa_mapclmj8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481819/normal_60683cfaced43.pdfIn PDF document text
- https://metapuxin.weebly.com/uploads/1/3/4/6/134633213/fekorelanoxikow.pdfIn PDF document text
- http://sollabs.xyz/sejewedir40y.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418171/normal_606787ee8257d.pdfIn PDF document text
- http://boomerangoo.site/how_to_install_kicker_hideawayan42o.pdfIn PDF document text
- http://getsalon.xyz/byod_policy_template_for_schoolscmcl4.pdfIn PDF document text
- https://fumirufax.weebly.com/uploads/1/3/1/8/131856188/403741.pdfIn PDF document text
- http://avit0.cc/womuvubaledagopidovefibitt4j.pdfIn PDF document text
- http://gerda-msk.ru/is_per_capita_income_a_true_measure_of_developmentizc80.pdfIn PDF document text
- https://kanelepamub.weebly.com/uploads/1/3/4/1/134132184/nidapar-xugita-vikesuz.pdfIn PDF document text
- http://lovechat24.club/jali_design_patterns5xz6r.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b7d3a0ae-8059-487b-8826-088776693174.filesusr.com/ugd/8d23e4_44096defa1cb4873bf889871152d4e88.pdf?index=trueIn PDF document text
- https://01d7ec8a-e38e-4e33-8c76-1be31754498b.filesusr.com/ugd/24d943_c9758976ca964cc0934c8eb154ac601a.pdf?index=trueIn PDF document text
- https://6f2fb29c-15f2-4b08-b525-3eb91a7f0a41.filesusr.com/ugd/c3548c_fa76079d6c6b4aff8e5b670702345962.pdf?index=trueIn 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_off0000fd9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD9D | 5252 bytes |
SHA-256: a29003a0f0338bdabc72ad19ca2745d02a1fd71e3f4136e8af42416d791d2bc0 |
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font_01_sfnt_off00010f7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F7F | 10588 bytes |
SHA-256: 9b4b426d2b9c98ce9dd791c8c563e2c8230f401aea034dca7f4fc0557a530d1c |
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