PDF malware analysis — malicious · 76a7c58d8bf5d30a

MALICIOUS

PDF

70.9 KB Created: 2021-01-01 06:47:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 2156aca168663341c8c6eb8f664c8a99 SHA-1: 6933109b38b21912e87b85fd14cc946a99dfa0a9 SHA-256: 76a7c58d8bf5d30a422351a3922b193cbdf65473ce8c4442b78d15dbf355b345

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URI pointing to 'traffine.ru', which is likely part of a phishing lure. The document body, though heavily obfuscated, suggests a lure related to a 'souffleuse honda hs928 manual', indicating a social engineering attempt to trick the user into interacting with the malicious content.

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://traffine.ru/123?utm_term=souffleuse+honda+hs928+manual PDF link annotation
- https://cdn-cms.f-static.net/uploads/4470688/normal_5fb9862573deb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418170/normal_5fb612f19d059.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381102/normal_5fdacf6deeaf8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449769/normal_5fc71d71376a9.pdfIn PDF document text
- https://cdn.sqhk.co/vozofugova/wJQgeJo/vegetable_curry_ninja_foodi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496582/normal_5fd03016a25a0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459057/normal_5fbd35fecabef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455180/normal_5fa60b179b3b1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465908/normal_5fe75da9b837b.pdfIn PDF document text
- https://cdn.sqhk.co/gikunixa/h9vhjjh/tropico_6_economy_tips.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376866/normal_5f8b5963818df.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d767.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD767	5636 bytes
SHA-256: `ee1c3f72d0a52cf73705742e245258c18f7880b1e489be4f5d70855d4366ceca`
`font_01_sfnt_off0000ea68.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEA68	10816 bytes
SHA-256: `97e76b69812e3768ccbfd3122ff498b327b0cf6b6b3f54aef522753f152b3dca`

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