MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'infrive.ru', which is likely a phishing domain. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, suggesting it was generated programmatically. The presence of multiple embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a phishing or spamming attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://infrive.ru/pbw?utm_term=bohemian+rhapsody+guitar+tab+fingerstyle PDF link annotation
- https://tuderosuf.weebly.com/uploads/1/3/4/6/134652240/fotegilo.pdfIn PDF document text
- https://japiravonasuv.weebly.com/uploads/1/3/4/6/134644749/rilimiwimanami.pdfIn PDF document text
- https://riderasal.weebly.com/uploads/1/3/0/7/130738784/komerufexexilo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403823/normal_6044d9684d6a0.pdfIn PDF document text
- https://warajepujevofi.weebly.com/uploads/1/3/1/8/131857140/4017331.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369525/normal_5fc97a15779d8.pdfIn PDF document text
- https://badivilaw.weebly.com/uploads/1/3/4/8/134848312/9118363.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458390/normal_5feb80ad26d2d.pdfIn PDF document text
- https://samibogamo.weebly.com/uploads/1/3/4/8/134883552/nokegorikof.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489713/normal_6011366098bf6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486522/normal_5ffb23903dd68.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bobiginokemo.pbworks.com/f/24731558610.pdfIn PDF document text
- http://tazijebep.pbworks.com/w/file/fetch/144565980/81525487314.pdfIn PDF document text
- http://dadilotofexi.pbworks.com/f/utorrent_hzlandrma_kodlar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/109e93af-4391-4792-bdd2-a710698bfd2c/12211328611.pdfIn PDF document text
- http://katafuzum.pbworks.com/w/file/fetch/144488556/gofunuzavom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d42ef227-26fd-4cca-97d3-2d3efc83976f/relgio_monitor_cardiaco_garmin_gps_forerunner_35_preto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b294854-65dc-40b6-8964-2aecba551cd0/elle_decoration_russia_media_kit.pdfIn PDF document text
- http://vutajake.pbworks.com/w/file/fetch/144995511/gcse_science_biology_enzymes_worksheet_answers.pdfIn PDF document text
- http://pilujibos.pbworks.com/f/26689812526.pdfIn PDF document text
- http://zikupuzajix.pbworks.com/f/92328094771.pdfIn PDF document text
- http://lipadune.pbworks.com/w/file/fetch/144623916/51898358450.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eaac031e-c33d-4308-8cbc-d4c269592f60/96897008286.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F7 | 5608 bytes |
SHA-256: aae28867827a39c1a038ef180f0c1898309d7c0156c164c08fe0afa78025dbc0 |
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font_01_sfnt_off0001086c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086C | 5748 bytes |
SHA-256: 35986a0a96f1988ffe47a01d88a88af8b03d704753cc056d081694f907aae9a0 |
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font_02_sfnt_off00011bca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BCA | 3428 bytes |
SHA-256: 85b00060f15f15ecfd7142399a665501508ed2cebc6446cf1e67dee3dc4fb8c8 |
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font_03_sfnt_off00012a06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A06 | 12508 bytes |
SHA-256: 020789e7b776b3c8c60b8ff19a98eca6746692fce6d9cc7652d61294bba1e2b0 |
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