PDF malware analysis — malicious · 3abfa33c5b18da20

MALICIOUS

PDF

71.4 KB Created: 2020-12-01 14:24:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 3d71cacaf969871d657a6b4926f6ba9e SHA-1: d5bd01072486fe65eb487b2b0cfafa69fd8cfd09 SHA-256: 3abfa33c5b18da206e7e3f0e53de7e48def84780791f2e85dfbc379e5d90aa28

96 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. 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 0.9997

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=mt+spokane+nordic PDF link annotation
- https://cdn-cms.f-static.net/uploads/4475987/normal_5fa9c23abdc9d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467298/normal_5fb9e63913865.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405419/normal_5f9a08f807a3e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491725/normal_5fba086f9dd42.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369313/normal_5fbe6fcc36205.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/bubeto/powers_mixing_valve_430.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b512590e-84fa-4c89-b7a3-c6648f8fc55f/15909164869.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79aa30eb-d698-4e68-a5fd-f6c1e34f2f4f/wizafanunajorile.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/009657e9-4e7e-4111-b591-0421f8b02dd7/conquest_of_the_american_spy_den.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbffa571c8c7413142c9acf/t/5fc406c61972c46e3c1added/1606682311734/xupoz.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc2af36df132613bbc92a03/t/5fc3fdb43c6ccf69f3da954f/1606679988195/19901978255.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_off0000d764.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD764	5104 bytes
SHA-256: `cd9ccf3e7e958e64ba6f5a0ae7c80e6fec4466b467a20195917e5b8c89b110fa`
`font_01_sfnt_off0000e8db.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE8DB	11648 bytes
SHA-256: `19dd3aed83f4f3c59469d0ddc383a8eba185ecee41d2af77a20bd0f3d4715977`

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