PDF malware analysis — malicious · 46e5a75613e6907a

MALICIOUS

PDF

72.3 KB Created: 2020-11-09 20:21:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c91b4dba81cf34f253ffeb071c944889 SHA-1: f35d2d9fd204052a143353f182e52e6e84dab971 SHA-256: 46e5a75613e6907ae901d0432ffd60170a70da34e6b296e3eda28dc4e1a42474

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL that leads to a suspicious domain, likely intended to host a phishing or malware payload. The document body, though heavily obfuscated, suggests a lure related to 'backpacking', which is likely a pretext to encourage clicking the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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/123?keyword=minaret+lake+loop+backpacking
- https://sozivutapadonen.weebly.com/uploads/1/3/1/1/131164462/jebusuganosanowowanu.pdf
- https://toxavikosas.weebly.com/uploads/1/3/4/4/134437834/6346236.pdf
- https://kawigijutugin.weebly.com/uploads/1/3/4/3/134351661/xepiwidaremu.pdf
- https://nafuxiba.weebly.com/uploads/1/3/4/0/134097784/xajuvi_lufirobupure_xapaka.pdf
- https://cdn-cms.f-static.net/uploads/4409411/normal_5f9e324961b18.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/3234ea50-35d6-48b8-9c9b-1933cf7b0d08/malibu27s_most_wanted_full_movie_watch_online.pdf
- https://s3.amazonaws.com/dorobukasawituw/how_to_get_legendary_contracts_in_anthem.pdf
- https://uploads.strikinglycdn.com/files/099a1b11-99db-42d8-8443-0858fde30705/91219122233.pdf
- https://uploads.strikinglycdn.com/files/b7b21a28-cf20-4e7f-af6a-7d70595f4855/54051994481.pdf
- https://uploads.strikinglycdn.com/files/7bee78c2-03f5-42b7-977f-0189be5ded84/99130616880.pdf
- https://uploads.strikinglycdn.com/files/132d886b-4e0a-4008-8c1c-954c85cf4ce6/libajonuborenuvusuwigitu.pdf
- https://uploads.strikinglycdn.com/files/a38ee5bf-bbf2-4175-b423-04138f7defdb/800-865-9408__-9473.pdf
- https://uploads.strikinglycdn.com/files/bf5034d9-497f-4384-8f59-3adc5ea0e0fa/37403462052.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000dd5d.bin` `87651986ca01b6b45bafebf76bafdc4b5dfc451c11df28c08759246de1edaa21`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDD5D	5132 bytes
`font_01_sfnt_off0000eeef.bin` `f36a363277f824ef6dfb22977d2c8d24fcdf302dcb3c3e0957ecc21c25dabc72`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEEEF	11080 bytes

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