MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable hosting or link farms, indicating an attempt to redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a tactic to obscure malicious intent and distribute malware or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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 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/123?utm_term=human+karyotyping+activity%2528+normal+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4378378/normal_60342ed39e125.pdfIn PDF document text
- https://setuwome.weebly.com/uploads/1/3/0/8/130874340/4322549.pdfIn PDF document text
- https://mozeduxazos.weebly.com/uploads/1/3/4/0/134018133/laludofunixix.pdfIn PDF document text
- https://rilumawireg.weebly.com/uploads/1/3/5/9/135981263/lotawoxadazap_vilepifudula.pdfIn PDF document text
- https://duxegolukazokun.weebly.com/uploads/1/3/1/3/131398215/jesubi.pdfIn PDF document text
- http://artdebug.site/fabofuzadopwjo9h.pdfIn PDF document text
- http://copyrightsupport-ig.com/85270458716serp4.pdfIn PDF document text
- https://cdn.sqhk.co/delotijuw/hdD9xhe/star_wars_x_wing_pilot_costume.pdfIn PDF document text
- http://soldonlittleton.com/swann_extra_security_camera_4k_ultra_hdrlajc.pdfIn PDF document text
- https://cdn.sqhk.co/pipezifiwip/Q1Mjfge/aviator_f_series_smart_pilot_watch_manual.pdfIn PDF document text
- http://vannabanyavsedela.xyz/adt_iq_panel_manualv4l1s.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386337/normal_601fb5fbc277e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417206/normal_602e103cc3093.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426075/normal_6005124929b03.pdfIn PDF document text
- http://bella24.xyz/fantasy_premier_league_official_appwp7s2.pdfIn PDF document text
- http://helps-lnstagramcopyrights-about.com/devotions_for_married_couples5m8he.pdfIn PDF document text
- http://mugedly.xyz/motedigo4qaiy.pdfIn PDF document text
- http://uchebnoe.website/mulan_reflection_flute_sheet_music5nclm.pdfIn PDF document text
- http://bachanalytics.com/boxapobevalofuze3b5oa.pdfIn PDF document text
- https://cdn.sqhk.co/nulegudup/jcifOhd/70408899605.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374518/normal_5fd34f3a24c60.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e4ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CA | 6972 bytes |
SHA-256: ee710dfade40c16814c61beb91410db30a097f5192b6bcf65ac645d9c02b4621 |
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font_01_sfnt_off0000fc6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC6F | 5608 bytes |
SHA-256: 67eab4e8f6a5ee9691692de8b2d215da03ef9b02bec6d55163064f1503a3cad0 |
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font_02_sfnt_off00010f91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F91 | 10568 bytes |
SHA-256: 8ba233d7afeacf20620ca785e931b9757dd853db581d1ae34992f12e75036b78 |
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