PDF malware analysis — malicious · 47df3ed307bb5756

MALICIOUS

PDF

65.0 KB Created: 2020-12-23 17:26:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: fd03c1c294b641c7447a52cf47a5781d SHA-1: 85b3aecce9a4c68b70be36c078b50ef8872541c3 SHA-256: 47df3ed307bb57560a008ddf21fda85b612f31eaf4c573a36638247fa3fcaac3

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a suspicious domain, disguised with a seemingly innocuous search query. ClamAV and ML classifiers strongly indicate maliciousness, consistent with a phishing or malware distribution attempt. While no scripts were directly extracted, the presence of an external URI and the overall detection profile suggest it's designed to lead the user to a malicious resource.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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/strik?utm_term=smash+bros+brawl+theme+lyrics PDF link annotation
- https://cdn.sqhk.co/kipasewimoni/cjju0ic/merimifufexodifoxofubu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454182/normal_5fd07ff099017.pdfIn PDF document text
- https://cdn.sqhk.co/fokivetezabu/RDHa7ZN/medieval_war_horse_crossword_clue.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403428/normal_5fc0b106ba7b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369343/normal_5faaf6a793972.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453754/normal_5fc5cd0c75024.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385217/normal_5fdef9f5d3dca.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/limepusotanal/76333407342.pdfIn PDF document text
- https://s3.amazonaws.com/fukezavazuj/bajodejazizez.pdfIn PDF document text
- https://s3.amazonaws.com/supefujoxopubu/soul_movie_player_free.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_off0000c198.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC198	5476 bytes
SHA-256: `7c1d55e2d59f6e455914307350257c640dd2d46f5ab53b9b68a21e678ff0e682`
`font_01_sfnt_off0000d420.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD420	10312 bytes
SHA-256: `c73dd45011149902020157ee1b0907e769ac9dc644831e7dd57ac51598fc845d`

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