MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a large number of outbound links, with one specific URL being 'https://bologen.ru/strik?utm_term=business+international+salary'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://bologen.ru/strik?utm_term=business+international+salary PDF link annotation
- https://cdn.sqhk.co/powirafawume/ji2himJ/music_player_10_band_equalizer_pro_apk.pdfIn PDF document text
- https://cdn.sqhk.co/tawibonikigo/TOjeggW/retail_business_manager_en_francais.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368467/normal_5fd07ff1a6ed0.pdfIn PDF document text
- http://motarojetox.sportsontheweb.net/jemidisijefovenepusasaw.pdfIn PDF document text
- http://puzexijabin.mypressonline.com/zikujom.pdfIn PDF document text
- https://cdn.sqhk.co/wajuletixex/Eigi7gd/dibolujejubi.pdfIn PDF document text
- https://cdn.sqhk.co/lazujanaziri/bvZxFie/kitipanumebujir.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422909/normal_6008b4e04d32c.pdfIn PDF document text
- https://cdn.sqhk.co/tiwefuxab/cheh4ig/dosimiweza.pdfIn PDF document text
- http://rujewazaxijaza.sportsontheweb.net/33288963769.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413004/normal_6039e512239a6.pdfIn PDF document text
- https://cdn.sqhk.co/ranotigu/8hbmRvF/vomorazub.pdfIn PDF document text
- https://cdn.sqhk.co/ributexovek/gjNOOhj/vitamin_shoppe_raw_probiotics.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464852/normal_6028feb241f25.pdfIn PDF document text
- https://cdn.sqhk.co/fasotaluvose/0giDieO/80191674128.pdfIn PDF document text
- https://cdn.sqhk.co/nulusezitelo/Lyv4Dgf/ouroboros_definition_for_dummies.pdfIn PDF document text
- https://cdn.sqhk.co/xawobovuji/fluzjXV/60949900181.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/lovomijelun/bigilituxaderis.pdfIn PDF document text
- https://s3.amazonaws.com/tabobujimo/bullying_in_schools.pdfIn PDF document text
- https://e0eedba4-cf99-4c42-97f5-d3f9ae5832dd.filesusr.com/ugd/e36ea7_da2c1df43d734ca397500f2490c9dc39.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tosego/11155010550.pdfIn PDF document text
- http://dakafatuvuguviz.atwebpages.com/la_celestina_caracteristicas_de_los_personajes.pdfIn PDF document text
- https://c8019651-2137-4367-b38e-775fff3f8a75.filesusr.com/ugd/fc5a02_c1eb51e3546e4c31af132b5e1ad5aa38.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fodose/95581286128.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_off0000eba9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA9 | 4828 bytes |
SHA-256: 32e8ecae1907a0f7df2ceb6cef2dfdafed01d46a4d7737f91b9c008d7ef793e2 |
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font_01_sfnt_off0000fc2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2A | 11028 bytes |
SHA-256: d9e82b58eb2eef330bffa67a602920dd603f43f14608a181eb9da7353df45ddd |
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