MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is zajinet.ru, which is likely used to redirect users to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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/award?keyword=impressed+current+cathodic+protection+system+design+pdf PDF link annotation
- https://cdn.sqhk.co/runudori/DhcEZji/turn_off_screen_time_iphone_7.pdfIn PDF document text
- https://patosalar.weebly.com/uploads/1/3/1/3/131384166/4069583.pdfIn PDF document text
- https://demaxezobenila.weebly.com/uploads/1/3/1/8/131856353/5db8f186450953.pdfIn PDF document text
- http://copyrightviolationcenters.com/valores_de_referencia_del_volumen_plaquetario_medioq8n1b.pdfIn PDF document text
- http://klokisik.space/96469874238z1wbe.pdfIn PDF document text
- https://cdn.sqhk.co/dipopoji/idgMziC/malakexowef.pdfIn PDF document text
- https://lepamume.weebly.com/uploads/1/3/4/8/134882258/362177c4.pdfIn PDF document text
- https://cdn.sqhk.co/vewukiziwemi/gjic339/best_short_love_letters_for_him.pdfIn PDF document text
- https://cdn.sqhk.co/vaxarogajib/nwO65ie/77438947366.pdfIn PDF document text
- https://tigobatimomovo.weebly.com/uploads/1/3/2/7/132740361/gazamobav-xitapuzi-janofod-sizijapogiboxo.pdfIn PDF document text
- https://xedawazusaxe.weebly.com/uploads/1/3/2/3/132303108/rarunujunul_sipufulejameriw_sezapuw_degamaguji.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1a2149e7-ca7f-4e7c-a584-0e483de6f3af.filesusr.com/ugd/9219f8_41c248d7616042c482ba0626b2ebe9f8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jenagubadopi/android_toolbar_shadow.pdfIn PDF document text
- https://a804c8a8-fdf7-4fba-b19b-c23aecc29597.filesusr.com/ugd/a7074a_267aad90e2ec4b07841553f2b7bfcf01.pdf?index=trueIn PDF document text
- https://6e229dea-1f83-4be8-8cd3-388eabd4f5e3.filesusr.com/ugd/1cfe37_46bb2980a6da48aa88afc91b04488c6e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xijuxosisomuna/defapaguninesapu.pdfIn PDF document text
- https://804b95bc-9ca4-448d-a094-5a8e1ff69a26.filesusr.com/ugd/99d1da_55afc054a3c94b9a955225515e98834b.pdf?index=trueIn PDF document text
- https://79d86aa2-23c4-4aa0-a0dc-c16ac59ae55d.filesusr.com/ugd/ecb701_b745d68e5804410d9b1785864debb635.pdf?index=trueIn PDF document text
- https://e57d8632-f742-4524-ada6-9cdf759d9f13.filesusr.com/ugd/b0cb2d_74bf6b0aaf1443f1a92870890a49f1cd.pdf?index=trueIn PDF document text
- https://3745348a-78a0-42d7-8ff4-af2b45bf5faf.filesusr.com/ugd/02631b_2a21baf017d34bc48f8dd70ff3985360.pdf?index=trueIn PDF document text
- https://b84c3727-5d5a-4c5d-9d5d-21cac87b3a69.filesusr.com/ugd/fdd6c2_acfc9178688d4c9d805215887ab59281.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_off0001339c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339C | 5576 bytes |
SHA-256: 64c854e7e2f61b041a0ec885a246b2c14eec38a85f8315e5666ffa16ffef37cf |
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font_01_sfnt_off00014677.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14677 | 11544 bytes |
SHA-256: 403b3759fc81c37971cf82ec26a0d74976b0e4566bbd8ecdc0c55376903dca93 |
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