PDF malware analysis — malicious · 0ee7e6797250f136

MALICIOUS

PDF

83.9 KB Created: 2021-01-04 00:34:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02

MD5: 411e91423503784eb214e639ad42fc76 SHA-1: eb6ded4bf72cc7dd96d4dbc1d4da3ab2fa8dc456 SHA-256: 0ee7e6797250f136fb2f8ff38d802d385880ddac91477a82381327657c04346c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious domain, traffset.ru, which is likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into visiting a malicious site, likely for credential harvesting or further payload delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://traffset.ru/aws?utm_term=auxiliary+verbs+definition+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4402247/normal_5fc1e4d1149b7.pdfIn PDF document text
- https://cdn.sqhk.co/fovuxugo/VsgYC3u/pallet_furniture_ideas_pictures.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370072/normal_5f97c09eca05a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387712/normal_5fdd21c7e1c18.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407781/normal_5fc1fa680915f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472182/normal_5fd17922139b8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379731/normal_5fc496ab6ec3a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365563/normal_5f9445ac93f9f.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/moxekibupuru/vusufuweripovanijibirup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/541566a4-e318-40ef-a2eb-891b95ab379e/vupigoxi.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_off000105b5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x105B5	5392 bytes
SHA-256: `df49bb0d94a3d9315c08c2a5005caf6f9cc97a6d470c9b593d70dffe40cd4467`
`font_01_sfnt_off00011829.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11829	12504 bytes
SHA-256: `ec59c2a3ba30ee2c7865e758f18ec66aae1fd42853e8d7fadc19f5e04f5f03b2`

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