MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users. The presence of a 'utm_term' parameter in one of the URLs indicates a tracking mechanism, commonly used in phishing campaigns. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
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://jacksth.ru/strik?utm_term=maytag+maxima+steam+washer+reset PDF link annotation
- https://lumirofelefepo.weebly.com/uploads/1/3/4/8/134892557/4653449.pdfIn PDF document text
- https://levunabul.weebly.com/uploads/1/3/1/4/131407164/1526256.pdfIn PDF document text
- https://cdn.sqhk.co/reriwoduriju/jbhchcK/wafiwiz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365657/normal_6020bceade25c.pdfIn PDF document text
- https://cdn.sqhk.co/pibegufuxova/cFOWjgI/18100424560.pdfIn PDF document text
- https://cdn.sqhk.co/bumogebiz/fXjg2ma/84809638615.pdfIn PDF document text
- https://cdn.sqhk.co/raguwubives/iijiaxO/vixegabeda.pdfIn PDF document text
- https://vemugalibi.weebly.com/uploads/1/3/4/4/134484787/vonugabidureferanu.pdfIn PDF document text
- https://cdn.sqhk.co/donewipimep/L0KxjgV/nuvexoxikitilozifapu.pdfIn PDF document text
- http://tamakar.tech/werewolf_the_apocalypse_fetishesm564s.pdfIn PDF document text
- https://cdn.sqhk.co/saxuxaka/s2jjXaK/pinodawixesozaxinuj.pdfIn PDF document text
- http://teachost.com/auto_repair_manuals_onlineaj6m5.pdfIn PDF document text
- http://vpntop.info/honkai_impact_3rd_memorial_arena_guidewpkbr.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426813/normal_6023fa0b1ed5f.pdfIn PDF document text
- https://cdn.sqhk.co/kupuruvew/jebja65/lime_green_wallpaper_for_android_phone.pdfIn PDF document text
- https://cdn.sqhk.co/firataxoworo/dhjjaFq/kewewipo.pdfIn PDF document text
- https://cdn.sqhk.co/xetilibul/VhegjmV/21709318841.pdfIn PDF document text
- http://apeech.ru/organic_chemistry_john_mcmurry_7th_editionz0lbk.pdfIn PDF document text
- https://xopozutafedas.weebly.com/uploads/1/3/1/4/131453480/fab82f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489054/normal_5fc92ba5658d8.pdfIn PDF document text
- http://xtreme-sport.ru/danepifugapesiminuzikameugs4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nademopor/ardaas_full_movie_mp4_hd.pdfIn PDF document text
- https://s3.amazonaws.com/venunamazozuzo/vamome.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_off0000e7c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C1 | 5332 bytes |
SHA-256: 373d05d1c49b60cc4827a3ac9ed95040ec73272e75acade2057d2b9a78b1a548 |
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font_01_sfnt_off0000f9e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9E7 | 10316 bytes |
SHA-256: 97fb929c61877d1a0b495cf3a608dba184cb29bfcc8459d1a503a534c23b43f8 |
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