PDF malware analysis — malicious · 4d86735f5e326503

MALICIOUS

PDF

69.2 KB Created: 2020-12-03 02:20:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01

MD5: d78d20b067cd2f47e6dc7da522bfed26 SHA-1: d21e4a0771377eb746a65c22b3433262da85035c SHA-256: 4d86735f5e3265038d6a658f7d84b346bfa402e2b3506f6d634c6444da4d2d3b

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 0.9998

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://traffnew.ru/strik?utm_term=brasil+x+alemanha+volei+masculino+ao+vivo PDF link annotation
- https://cdn-cms.f-static.net/uploads/4388841/normal_5f99cad140337.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404725/normal_5f935392789b5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484806/normal_5fb9df5692941.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460966/normal_5fa981aac63d0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407299/normal_5fa9d40a40b87.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/lopadivupudexa/59102405684.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4ca17acac6192ab71854/1606372514420/tabe_test_form_9_level_a_answer_key_reading.pdfIn PDF document text
- https://s3.amazonaws.com/rujabepifar/blue_team_handbook_torrent.pdfIn PDF document text
- https://s3.amazonaws.com/bakoloj/51777567517.pdfIn PDF document text
- https://s3.amazonaws.com/xupimaral/28615064902.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0abc6bda9c57a97bd16fd/t/5fc0d992173fb5383bc1d1d1/1606474131758/gaxoparedulevixeg.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc14892f9866f3fd2d6f995/t/5fc8139fd32d012678eb2e93/1606947743992/gas_prices_in_2008.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_off0000ce14.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCE14	5216 bytes
SHA-256: `46bbf1e8077f800f254c96c96b78fb9fc76e881dd8c6d746d27b1c69ca70c6af`
`font_01_sfnt_off0000dfaf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDFAF	12864 bytes
SHA-256: `b740f89d82038cf7935b2b87e16cee659a7de9c0b5a031134d752cc69b7baa96`

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