PDF malware analysis — malicious · 5ae7ae6fe89e9fbd

MALICIOUS

PDF

90.4 KB Created: 2020-12-25 16:09:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 07840ef9ebd8f1c93fa561b444b19ca2 SHA-1: 191f1e89077a9be68b0f951dc40653a2ddd758bb SHA-256: 5ae7ae6fe89e9fbd349273a7b1ebdfa3447b92166efe0382c7f188e25b93470f

104 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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://traffnew.ru/123?utm_term=cyberpunk+2020+night+city PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366376/normal_5f873a83686dc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416132/normal_5fba4271df35e.pdfIn PDF document text
- https://cdn.sqhk.co/riwajamugem/3OJ9if4/mass_mayhem_zombie_apocalypse_hacked_unblocked.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368246/normal_5f8824281e743.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/fasanag/afforestation_in_india.pdfIn PDF document text
- https://s3.amazonaws.com/jirebonudur/broken_bells_album.pdfIn PDF document text
- https://s3.amazonaws.com/pugomonapoxuxe/52655161444.pdfIn PDF document text
- https://s3.amazonaws.com/tapelu/los_cuatro_acuerdos_en_gratis.pdfIn PDF document text
- https://s3.amazonaws.com/nupotukig/org._apache._spark._logging_jar.pdfIn PDF document text
- https://s3.amazonaws.com/bufexa/kimatutijuvizukekonaf.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_off000126e9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x126E9	5260 bytes
SHA-256: `2406880ddcdd5eda935ff4fe82d36d20399be47612c595d13fd4ab87344fe154`
`font_01_sfnt_off000138da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x138DA	10840 bytes
SHA-256: `3e7a3afda50f07fd9bc12d319ec1afdb1c2f7a35fd04a89ce982f0a145448e17`

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