MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a phishing trojan. It contains a large number of external links, many pointing to disposable domains, suggesting it functions as a link farm designed to redirect users to potentially malicious content. The presence of embedded URLs and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://nipisod.ru/strik?utm_term=itil+v3+foundation+expiration PDF link annotation
- https://cdn.sqhk.co/xekemini/ijbgd1D/download_call_of_mini_double_shot_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/mogujawogo/bZKMidz/fear_the_walking_dead_season_3_episode_16.pdfIn PDF document text
- https://cdn.sqhk.co/sebutarukaw/Dijjijh/oscar_health_plan_of_california_reviews.pdfIn PDF document text
- http://gokawojop.scienceontheweb.net/best_fiction_writing_books_for_beginners.pdfIn PDF document text
- http://mufutekuson.getenjoyment.net/wejologeb.pdfIn PDF document text
- https://cdn.sqhk.co/felibepudu/yThi3y7/video_editor_app_for_pc_free.pdfIn PDF document text
- https://cdn.sqhk.co/pigexebobe/aD3kVTO/recharge_pcs_mastercard_100.pdfIn PDF document text
- http://zebisol.mypressonline.com/kusokikefev.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/8ecd5fd3-fd5d-4330-9f0b-d7b4e63336d7/how_to_find_stocks_to_day_trade_on_thinkorswim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ec1242f-b535-4a04-946c-3ee4fa0027f0/architectural_drawing_drafting_table.pdfIn PDF document text
- https://f421159b-d329-41e8-bc42-072bc93e4c50.filesusr.com/ugd/65d6f7_a9931d4f6e664b04bf5b6679e2ab08f6.pdf?index=trueIn PDF document text
- https://dae57379-2785-4108-a223-4562ecbfc22e.filesusr.com/ugd/87ad98_e802775bbde9426393431aeca4dd1cad.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/31c91595-3710-4046-9d18-20333e9be1a7/parew.pdfIn PDF document text
- https://f9c81679-ddb1-4746-ab40-32673edc426c.filesusr.com/ugd/2eff39_040d863c471048d3ad5823c19f08525a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/42ba1d94-0106-414e-ab72-025d00484851/xuxumezawajomupobu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/689a98ef-f680-4cb9-a106-3833113addd0/muwoxuxuduronadapuwufi.pdfIn PDF document text
- https://f45985d3-969e-4a4b-a16b-f92b7c881388.filesusr.com/ugd/20da2d_9d6b66731c3d4f429ea83cdede49cc13.pdf?index=trueIn PDF document text
- http://xovolefewawex.atwebpages.com/libin.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_off0000f917.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF917 | 5084 bytes |
SHA-256: 922f1bdcd715ffef8488174c2506c08fc874b77ec58de5a7c6a2343cb40f5588 |
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font_01_sfnt_off00010a86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A86 | 10748 bytes |
SHA-256: f38a367d94a495a8d369270b8192506aea0541a22572e59dd1ad3f5da05615c7 |
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