MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious, exhibiting characteristics of a link farm designed to redirect users to various external resources. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links within a small PDF, suggesting a deceptive purpose. The primary URL, https://zajinet.ru/wb?keyword=cs%20lewis%20books%20free%20download, further supports the lure of free downloads, which is a common phishing tactic. No scripts were extracted, but the overall structure and URL patterns point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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/wb?keyword=cs%20lewis%20books%20free%20download PDF link annotation
- https://vazitaxigenot.weebly.com/uploads/1/3/4/6/134640409/f16a7f557ea.pdfIn PDF document text
- https://likuxosudiva.weebly.com/uploads/1/3/4/6/134603152/51e1497e9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496815/normal_60217162c2cda.pdfIn PDF document text
- https://raxaregos.weebly.com/uploads/1/3/4/3/134363135/lukusun_fexigumelopibo_fuvironojij_xonebovilekifez.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369928/normal_6035386153a9c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500417/normal_6051e30032716.pdfIn PDF document text
- https://puvovajol.weebly.com/uploads/1/3/4/0/134040332/sasoso_fojepezow.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374369/normal_602881236da81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455659/normal_603877df90f96.pdfIn PDF document text
- https://panibatolabixoz.weebly.com/uploads/1/3/4/7/134720971/430f39ac798d.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/2a718df5-b3eb-4005-b70a-5b15c494ddf6/5663181238.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d4993a9-ffbf-481e-b1a6-7d8851dce918/11866387150.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/91dec45a-9254-400a-845a-2b64822d9eea/34642994216.pdfIn PDF document text
- http://mepijewaj.pbworks.com/f/ffg_star_wars_rpg_talent_trees.pdfIn PDF document text
- http://jesababa.pbworks.com/w/file/fetch/144413952/how_to_get_macro_on_agar.io_ipad.pdfIn PDF document text
- http://sewafebi.pbworks.com/f/bixidufed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4939c811-e0b4-48d4-846a-aef6622caa0f/kobovuxuxekekujiteb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8fcd05e7-4b8c-4bc0-9cad-831cc882e320/prove_the_slope_criteria_for_parallel_and_perpendicular_lines_worksheet.pdfIn PDF document text
- http://didaneguk.pbworks.com/f/cen-tech_battery_charger_4_in_1.pdfIn PDF document text
- http://wuvebag.pbworks.com/w/file/fetch/144428742/dell_latitude_d630_bluetooth_driver_windows_xp.pdfIn PDF document text
- http://viluxese.pbworks.com/f/61713725315.pdfIn PDF document text
- http://supatibu.pbworks.com/f/modales_perfectos_ejercicios.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca2f2fda-37b2-49c7-9867-28d9d4ca4ce9/is_kung_pao_shrimp_healthy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c73e0f7-42e8-4c50-8633-da8eeab78382/xazazetikigelikevi.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_off0000f737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF737 | 5104 bytes |
SHA-256: edbc7a9a88ca011a66e61ea4998918e96d0214365d23d1fe61bb9ab4528e01a9 |
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font_01_sfnt_off000108b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B1 | 11444 bytes |
SHA-256: f4b896bd05079106f7867cf79ff1c98e768d35f66a3a3add8405be852c4adbbe |
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