PDF malware analysis — malicious · c1d4c3370e0076a7

MALICIOUS

PDF

79.6 KB Created: 2021-02-20 06:57:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26

MD5: 3126bd9661a3a1b6d808ddd40704b549 SHA-1: 474ffc7abd73d883fca2926d86117dbbcdaab02e SHA-256: c1d4c3370e0076a7c83ca787b1d2984085fb95e8146237a5ec0b53611b7f25be

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. Although no scripts were extracted, the presence of external URIs and the PDF structure suggest an attempt to redirect the user to a malicious site, potentially for credential harvesting or further payload delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://leonvi.ru/wix?keyword=pathfinder+kingmaker+weapons+for+amiri PDF link annotation
- https://cdn.sqhk.co/tuvameboroke/jf7OjdD/vizagod.pdfIn PDF document text
- https://cdn.sqhk.co/dabozijide/dSjjid4/grumman_aircraft_world_war_ii.pdfIn PDF document text
- https://cdn.sqhk.co/vafodagusun/icguYhh/ven_pongal_instant_pot.pdfIn PDF document text
- https://cdn.sqhk.co/feluxolid/gfjbhw8/zen_pinball_fx3_news.pdfIn PDF document text
- https://cdn.sqhk.co/seponidozit/NFcgegi/37556404131.pdfIn PDF document text
- https://cdn.sqhk.co/dajusonas/fshPFxn/tadomipapewodokaj.pdfIn PDF document text
- https://cdn.sqhk.co/kewixoretuze/fBSjgGd/rawejifojowinavuzuluf.pdfIn PDF document text
- https://cdn.sqhk.co/tesosunimew/ciajhvm/pencil_sketch_apple_drawing.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pokuzanu.epizy.com/australian_resuscitation_council_guidelines.pdfIn PDF document text
- http://zisafaziga.epizy.com/12322315059.pdfIn PDF document text
- https://s3.amazonaws.com/lupuvogotog/microsoft_access_database_engine_2007_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_off0000fb37.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFB37	5580 bytes
SHA-256: `bb117fc0d2e94ff03be934cc891b33d2da6f6696f805fb1551b8f14b19ed58f4`
`font_01_sfnt_off00010e1f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E1F	10488 bytes
SHA-256: `f12aab115bf0ed029f5870d68a619b71068a6fa88056af41d9db024454d87907`

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