MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to disposable hosting and redirector infrastructure, indicating a link farm designed for SEO manipulation or malicious redirection. One critical heuristic identified a link to known malicious redirector infrastructure. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://cctraff.ru/123?utm_term=shutter+island+book+pdf+free+download In PDF document text
- https://vazonani.weebly.com/uploads/1/3/1/8/131871537/9849780.pdfIn PDF document text
- https://cdn.sqhk.co/tajiwikiter/M7xkihM/nedareketatiwosimameg.pdfIn PDF document text
- https://cdn.sqhk.co/sopiloroda/ijjeuha/school_of_dragons_online_generator.pdfIn PDF document text
- https://cdn.sqhk.co/wenegifuteg/jVmpvii/dream_island_obsessional_park_meaning.pdfIn PDF document text
- https://mazazujusuvazix.weebly.com/uploads/1/3/1/8/131856432/9324121.pdfIn PDF document text
- https://mebevoluw.weebly.com/uploads/1/3/0/7/130739105/d1c4b4605a8.pdfIn PDF document text
- https://vuwawirekexaz.weebly.com/uploads/1/3/0/9/130969699/tigomanegixil-nowuzavapigika.pdfIn PDF document text
- https://tivufotevomok.weebly.com/uploads/1/3/2/6/132682035/9391116.pdfIn PDF document text
- https://nozudepoget.weebly.com/uploads/1/3/1/1/131163917/jerobe.pdfIn PDF document text
- https://jajaleregonu.weebly.com/uploads/1/3/4/2/134235513/sakevi.pdfIn PDF document text
- https://cdn.sqhk.co/vemudumuxixu/zhdu9hJ/highway_bike_traffic_drive_in_marked_lane.pdfIn PDF document text
- https://cdn.sqhk.co/rukeditele/ttgf3hb/wifi_password_hack_for_macbook_pro.pdfIn PDF document text
- https://cdn.sqhk.co/bitizulokiva/hbhbjis/punolireredegujugazi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4502236/normal_600837dfc27dc.pdfIn PDF document text
- https://namonivet.weebly.com/uploads/1/3/4/4/134493383/3069340.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/gewuwasi/bhairava_geetha_full_movie_hd.pdfIn PDF document text
- https://s3.amazonaws.com/pafiganovavi/vofafugazawevetipupikani.pdfIn PDF document text
- https://s3.amazonaws.com/mokixetat/texujofilakosiwugokuk.pdfIn PDF document text
- https://s3.amazonaws.com/kelukakeb/akele_hum_akele_tum_tone.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_off0000d546.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD546 | 5528 bytes |
SHA-256: 12791ea5b522567bffdf4293dddfee2440823a71ab707f15333cba4bcb83515a |
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font_01_sfnt_off0000e813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE813 | 10684 bytes |
SHA-256: 33e38c2db415e450b2929b9ec5966bba8e0965ba697b870428675a0a5dedf75a |
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