MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing attempt. The document body is heavily obfuscated, but the presence of external URIs and link farm heuristics indicates a likely attempt to redirect users to malicious sites, potentially for further exploitation or credential harvesting.
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://vilenefex.ru/award?keyword=agglutination+reaction+in+immunology+pdf PDF link annotation
- https://cdn.sqhk.co/zitedefew/nMGggia/kujabisovused.pdfIn PDF document text
- http://gatowixipeba.mywebcommunity.org/93084176032.pdfIn PDF document text
- http://siwupojotuj.getenjoyment.net/hotel_reservation_system_thesis.pdfIn PDF document text
- https://cdn.sqhk.co/remowiwa/9migjgG/alley_electronique_ball_blaster_game.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368732/normal_6011f11a8b62c.pdfIn PDF document text
- https://cdn.sqhk.co/ribafesupuro/id1iiii/helix_halloween_super_jump_mod.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384159/normal_5fc61914cc927.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453105/normal_5fc966b97d0f9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377928/normal_5fcefdcf37a19.pdfIn PDF document text
- https://cdn.sqhk.co/gatavazer/gLwZAjd/first_electric_motor_invented.pdfIn PDF document text
- http://tupaxeguna.scienceontheweb.net/25556137684.pdfIn PDF document text
- http://pefiworawodud.mypressonline.com/2602735936.pdfIn PDF document text
- https://cdn.sqhk.co/mugegiduveb/ZgfQg5U/large_sputnik_chandelier_gold.pdfIn PDF document text
- https://cdn.sqhk.co/zivuzigup/Qheqjhc/90203501116.pdfIn PDF document text
- https://vavaterojitenoj.weebly.com/uploads/1/3/4/8/134898986/niwotugo.pdfIn PDF document text
- http://wugupomovupa.sportsontheweb.net/71830166030.pdfIn PDF document text
- http://mevukavotidu.getenjoyment.net/66874767195.pdfIn PDF document text
- https://cdn.sqhk.co/salosegebomi/2cOMjiW/harvest_host_fl.pdfIn PDF document text
- https://nezokamovijemi.weebly.com/uploads/1/3/1/8/131856769/4691214.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://xogijowag.onlinewebshop.net/mijumip.pdfIn PDF document text
- http://padusij.onlinewebshop.net/facebook_marketplace_categories_boats.pdfIn PDF document text
- http://jadivepijuga.myartsonline.com/solid_converter_to_word_online.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015cf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CF1 | 5268 bytes |
SHA-256: 63fb57eaca1849d58037f09d1b217edafbf1e22745e5ce1a5f07e292ec6f317d |
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font_01_sfnt_off00016eca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16ECA | 10468 bytes |
SHA-256: 5716a66f3c72286b74eae9ee45f6e6f0662972e43560e30ced0e44327c9d4f77 |
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font_02_sfnt_off00019286.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19286 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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