PDF malware analysis — malicious · c6dcbde12d74e128

MALICIOUS

PDF

59.8 KB Created: 2020-11-19 15:47:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 0c751357d6e1ecef4ac27fde24e1c147 SHA-1: 75f84c296c14ce4827462634702661614eafc314 SHA-256: c6dcbde12d74e1284f92ce89c62d652ff5b84f41498457ab03ede7c220c037d8

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 0.9995

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://trafftec.ru/strik?utm_term=bossy+president+novel+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4371023/normal_5fb4a998634ca.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392191/normal_5f96b9af6d79d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444884/normal_5fa725eacbf84.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477387/normal_5faecc7a402fe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/95162fe9-83c3-4d10-b9ac-9fc3acd456fa/primo_water_cooler_repair_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf5b070a-d8a4-4345-801c-82a2814a75a1/16692723346.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14faf67e-675c-4646-8307-a8398d8b0d0b/28371534256.pdfIn PDF document text
- https://s3.amazonaws.com/zurovajij/1903a3_barrel_length.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ed00f08-5872-4f3f-877c-ac3b487b7547/.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ade5c21f-0152-4377-9c60-278eaca386b7/mortal_kombat_apk_download_mod.pdfIn PDF document text
- https://s3.amazonaws.com/tobito/minecraft_apk_free_download_for_kindle.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12bcddf4-9d71-4777-b26f-2d2dfc99303e/16528289369.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_off0000ae4f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAE4F	5036 bytes
SHA-256: `84b443bfc1224464c8caa61002899c8999a7c8dd0e6a0f73b93a9aa282f9fce7`
`font_01_sfnt_off0000bf95.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBF95	10708 bytes
SHA-256: `5b781a083bc6b9e3358d24ddf9d4a0e273103350ade7c6ed8c17f85f9e264051`

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