MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, with heuristics indicating it is part of a link farm designed to host external PDFs. The document body, though partially corrupted, contains text suggesting an invoice lure. The primary malicious URL identified is https://xezojetit.ru/123?utm_term=invoice+template+doc+free, which is likely used to redirect users to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://xezojetit.ru/123?utm_term=invoice+template+doc+free PDF link annotation
- https://kivopovolufom.weebly.com/uploads/1/3/3/9/133997215/xariva.pdfIn PDF document text
- https://wemodolitafuroj.weebly.com/uploads/1/3/6/0/136055174/babid_lorazaw.pdfIn PDF document text
- https://juxewuvolexi.weebly.com/uploads/1/3/4/1/134109000/1b08be052.pdfIn PDF document text
- https://sudororurupe.weebly.com/uploads/1/3/4/6/134602833/bepamimisuvamiso.pdfIn PDF document text
- https://refiraledekire.weebly.com/uploads/1/3/4/7/134715744/fudaroruvojuxapona.pdfIn PDF document text
- https://fataleripe.weebly.com/uploads/1/3/0/9/130969718/ziwapu.pdfIn PDF document text
- https://doxipawuno.weebly.com/uploads/1/3/2/6/132682924/0ff2f789ad5.pdfIn PDF document text
- https://falababipudin.weebly.com/uploads/1/3/4/8/134847750/baziwugonawisu-tujagotetuwede.pdfIn PDF document text
- https://wawurekufa.weebly.com/uploads/1/3/4/3/134322490/135779.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
- https://uploads.strikinglycdn.com/files/c9ac995d-393d-4f25-8cce-5db19dd610c3/4462022928.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/112c74cb-995b-4ae9-86b1-2e28e7b73e14/wukulaxi.pdfIn PDF document text
- http://sofutikajen.pbworks.com/f/46177216883.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42c85702-dae3-4939-852f-08c0e782d4f5/99065493316.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e49dd4c-153d-42f2-b2fd-909d4ff7674b/lemirunanowore.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9307c77-33c4-4e33-880a-ed89538511a6/70077847977.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1167051-5ee8-44a7-a695-5d0092e3ce16/10409869578.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d27d6a4c-2d54-4064-9aaf-84a3d28bbd51/where_was_scary_stories_to_tell_in_the_dark_banned.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f847ce4-08bf-45f7-81b2-ed97a209e871/gopro_hero_4_black_for_sale_uk.pdfIn PDF document text
- http://kufavuva.pbworks.com/f/bomadumenizufesa.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_off0000f2ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2EC | 4908 bytes |
SHA-256: c734e9d133f31f9ecfddb5129f01e8510d375489ed4e9f94cf3521b97ab4d262 |
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font_01_sfnt_off00010377.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10377 | 11472 bytes |
SHA-256: cf8caa816a9b8d6ce4f4dc61829c7a24ebd65770eba53f2126e001bab84ae1a7 |
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font_02_sfnt_off00012a98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A98 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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