MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one prominent URL pointing to 'jacksth.ru', suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this by indicating the PDF is part of a link farm on disposable hosting, designed to obscure the true destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 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://jacksth.ru/strik?utm_term=florida+written+drivers+test+study+guide PDF link annotation
- http://vasezasu.22web.org/feedback_form_for_parents_workshop.pdfIn PDF document text
- http://vonokumi.iblogger.org/52731923214.pdfIn PDF document text
- http://givupuxorow.iblogger.org/vujuzetugupipavatut.pdfIn PDF document text
- http://tufataf.22web.org/aadhar_card_maker_software.pdfIn PDF document text
- http://guwejusu.22web.org/gejulolusit.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/a3f99459-b1db-494c-946f-cb2426f786ad/tarojolebubomomu.pdfIn PDF document text
- http://pamovoxe.rf.gd/34708592792.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c51d861-81eb-4726-9068-d76ad876f74d/how_to_politely_decline_network_marketing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f137c46-ef76-4aba-a82b-b4dcccce0a61/79307061698.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8a1505d-d375-4e6d-9cbc-d66fc999ece4/wajujep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/445fc5ad-fd70-4537-a7e7-2ba22868019e/the_seven_basic_plots_christopher_booker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49c58ffc-c84f-47f6-a6be-5fc242b75d36/63573741345.pdfIn PDF document text
- https://s3.amazonaws.com/zumomasugipeno/38169308973.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f72221b2-60ca-4db0-86b0-b4b428e657d9/wobif.pdfIn PDF document text
- http://botemexake.rf.gd/82775250695.pdfIn PDF document text
- http://wirizobesopo.epizy.com/kick_the_buddy_game_hack_mod.pdfIn PDF document text
- http://wesovipimamino.epizy.com/28157540022.pdfIn PDF document text
- http://furalepoju.rf.gd/65559643340.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b85a9112-5995-4105-8720-6d2238c67785/7986335222.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1453a85d-7531-43ec-af11-575943c93ac8/pudujerapijixanine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0cf63479-ad63-45d0-bbfc-8e2ab9a78489/gizasavimepevakuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f73df144-d9d9-4e1e-955f-bf19eec03712/jatifofimigi.pdfIn PDF document text
- https://s3.amazonaws.com/kugelilizibuwum/31731152535.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea7b3956-d055-4500-849d-1b3af7aade7e/boy_scout_wood_carving_merit_badge_requirements.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/40f4fb29-76df-49de-97eb-72ab0eb45be8/mevotunigijamopapow.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_off0000fada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADA | 5200 bytes |
SHA-256: b72fe6774f0670eeb8ab919da55927ff20ac0cc1d39499d9f37d9bab13564554 |
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font_01_sfnt_off00010cb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB9 | 11308 bytes |
SHA-256: 56d2bf43d5e05a7029eb333abda1b9118c0dad5772d8b480dcf181e304ba5b9b |
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