MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, with a high-confidence heuristic indicating it's a link farm on disposable hosting. One prominent URL, 'https://golowaki.ru/strik?utm_term=books+like+the+witcher+series+reddit', appears to be a lure, potentially for phishing or malware delivery. The ML classifier and ClamAV detection strongly indicate malicious intent.
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://golowaki.ru/strik?utm_term=books+like+the+witcher+series+reddit PDF link annotation
- https://cdn-cms.f-static.net/uploads/4415073/normal_5fd7c19497633.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380214/normal_604aa5e775ab2.pdfIn PDF document text
- https://jikujumek.weebly.com/uploads/1/3/5/3/135318263/kakurojekuvi.pdfIn PDF document text
- http://taforojujutusig.mygamesonline.org/english_club_grammar.pdfIn PDF document text
- https://gewavidabu.weebly.com/uploads/1/3/0/7/130775927/7190999.pdfIn PDF document text
- http://napodosawukezob.getenjoyment.net/46455815861.pdfIn PDF document text
- https://mesasijodise.weebly.com/uploads/1/3/5/3/135315214/9581435.pdfIn PDF document text
- https://titoduxelet.weebly.com/uploads/1/3/5/3/135399046/vesopi_tazotogem_liduxiw.pdfIn PDF document text
- http://toxipoxekej.medianewsonline.com/xidonejudisak.pdfIn PDF document text
- http://pefumaviba.22web.org/algebra_equation_word_problems.pdfIn PDF document text
- https://lodovape.weebly.com/uploads/1/3/5/3/135350971/pelozozufo-sixano-xijoxilivekilo-zuwujatidaja.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/lixuduwonifa/2492471212.pdfIn PDF document text
- http://pojoviraxerojo.myartsonline.com/boridofifugapus.pdfIn PDF document text
- http://timagugovoxo.onlinewebshop.net/tobaxufatuvu.pdfIn PDF document text
- https://s3.amazonaws.com/bojafazes/wavidis.pdfIn PDF document text
- https://s3.amazonaws.com/juliziwojatige/72099329924.pdfIn PDF document text
- https://s3.amazonaws.com/xeroguru/yamaha_rx-v373_remote.pdfIn PDF document text
- http://tanenodu.epizy.com/venice_lido_map.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_off0000e0e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E4 | 5024 bytes |
SHA-256: 01e3c7298129813b682d09ce0d7f670b12637031d9f2e5c29d561d5a3c02b9b6 |
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font_01_sfnt_off0000f20b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20B | 10564 bytes |
SHA-256: e43f2308a7eb645641c2075879d1b1dee742d7901f71013fa013952b501530a4 |
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