MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document exhibits characteristics of a phishing lure, specifically using an invoice or payment theme to entice users. It contains a significant number of external links, forming a link farm, with one prominent URL being https://queure.ru/pbw?utm_term=express+invoice+7.25+registration+code. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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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://queure.ru/pbw?utm_term=express+invoice+7.25+registration+code PDF link annotation
- https://povoligijiz.weebly.com/uploads/1/3/4/6/134665243/laxosozuwij.pdfIn PDF document text
- https://bipalokepug.weebly.com/uploads/1/3/4/4/134492575/pozajejipasokapabogu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368975/normal_5ff36f14d1b49.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378619/normal_5fdbd4e15b818.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403117/normal_6068a393d4ee6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447087/normal_5fcab7ede9235.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426699/normal_5fdf1c87c9863.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493589/normal_60bca17d5c21e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495681/normal_5ff4db4360ea9.pdfIn PDF document text
- https://liziruji.weebly.com/uploads/1/3/4/3/134380663/xeniwak.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vatojorisa.pbworks.com/f/modern_combat_4_java_game_cheat_codes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5fd01e4-10dd-424d-817c-ac9339f28320/larson_ap_calculus_textbook_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bdf166ba-22ab-453f-adca-fd6c637310ab/music_notes_names_and_symbols_guitar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ded000b-2b06-4ba6-89cb-2b07ce941ef1/5.pdfIn PDF document text
- http://ditidema.pbworks.com/w/file/fetch/144905484/report_card_comments_for_weak_students.pdfIn PDF document text
- http://sazupamufode.pbworks.com/f/60540190330.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/119967b8-0e85-45b3-bcfe-119b19c57818/percy_jackson_graphic_novel_book_5.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ddea4935-5936-4568-b6ff-505d19200f45/matujumidetepa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/65fbfcac-7125-41c9-a7b8-507011d41499/migalitizulegesel.pdfIn PDF document text
- http://muzupusap.pbworks.com/f/94827801362.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_off0000db60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB60 | 5660 bytes |
SHA-256: 9b2ca12eb8aba403599d7ec3defcccbe2c8416fd3ab5ce6365baf2f4484ab425 |
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font_01_sfnt_off0000eed1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED1 | 12860 bytes |
SHA-256: 85edfda7edab9dc78f722ac3b0d8765964c067a6a04750218078c026bf80f01a |
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