MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The document embeds numerous external URIs, many of which point to disposable hosting services and appear to be part of a link farm designed to redirect users. The presence of 'utm_term' parameters suggests a phishing or spam campaign aimed at driving traffic to specific landing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://trafftec.ru/strik?utm_term=informed+consent+example+pdf
- https://wusunipusu.weebly.com/uploads/1/3/4/3/134320006/7519927.pdf
- https://jumifusat.weebly.com/uploads/1/3/4/6/134629025/d54a028cbd22e7a.pdf
- https://sotivozorome.weebly.com/uploads/1/3/4/7/134733800/forugamojotomosixugo.pdf
- https://cdn-cms.f-static.net/uploads/4367621/normal_5f8a6b7e803ee.pdf
- https://judemozosuduj.weebly.com/uploads/1/3/4/3/134306717/kekabowaluvomog_vavisokusowapor_texosisar.pdf
- https://nujusokomofevak.weebly.com/uploads/1/3/4/5/134503883/d2b9030fd.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/eb8acf0a-8e4d-4fde-a8df-0135c19ae0da/bionaire_bw2300-n_cfm.pdf
- https://s3.amazonaws.com/xurixado/fazegin.pdf
- https://s3.amazonaws.com/vososasoxumete/54850641870.pdf
- https://uploads.strikinglycdn.com/files/e9059cdd-a296-427b-a83f-e3aba09afd71/29835612869.pdf
- https://s3.amazonaws.com/geradi/arcsoft_showbiz_dvd_3._5_free.pdf
- https://s3.amazonaws.com/gadumagabusodel/xedavotaza.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c635.binfcdb2b634bd6cb92d277b1853d0f0647356ab2af1c66037bbd663f0aea1f7d60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC635 | 5308 bytes |
font_01_sfnt_off0000d832.bin745ef96d2026ff009c4d34fd0360726514bde0a94c4a7a4ceb3744188774c2ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD832 | 10228 bytes |
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