PDF malware analysis — malicious · ff740ea77751ae9d

MALICIOUS

PDF

101.3 KB Created: 2020-11-10 08:00:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 355c46b2e71df2d316f83909f584da63 SHA-1: d12c050b5156a9d73de19be94226662b8e78b474 SHA-256: ff740ea77751ae9d38545779526702436e16f352ae661c2306b2a249802ecdff

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL pointing to a suspicious domain, which is likely part of a phishing or malicious content delivery scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it is designed to redirect users to malicious content, potentially for credential harvesting or further malware deployment.

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://traffine.ru/123?keyword=pacific+region+canada+population
- https://cdn-cms.f-static.net/uploads/4412895/normal_5f98ba98b8c1f.pdf
- https://zejaxosadakawur.weebly.com/uploads/1/3/4/3/134372542/b2f3251.pdf
- https://cdn-cms.f-static.net/uploads/4445743/normal_5fa0237352a1c.pdf
- https://cdn-cms.f-static.net/uploads/4369900/normal_5f8828f956b87.pdf
- https://cdn-cms.f-static.net/uploads/4368955/normal_5f886b167af19.pdf
- https://cdn-cms.f-static.net/uploads/4413735/normal_5fa9a17b96bb5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/e7bcdc14-1ad4-4241-b1f1-d6225aad6b10/vogoroduxopipupoko.pdf
- https://uploads.strikinglycdn.com/files/8c5748e0-9e42-4744-8fab-5f9108ab2d97/78871951385.pdf
- https://uploads.strikinglycdn.com/files/94c16f7a-a033-4f47-b94d-3a26c14544ba/deburasamenopifilifomabug.pdf
- https://uploads.strikinglycdn.com/files/6e3ad173-d83d-4c72-9fa5-475a63fc12db/soziwemaguwilolimaxusul.pdf
- https://uploads.strikinglycdn.com/files/6d4d6e43-db70-42a4-9e3f-789c45aecf9d/icwa_law_center.pdf
- https://uploads.strikinglycdn.com/files/75ee06ad-0d1c-4cbb-978b-87ba37ed617a/detective_conan_movie_8_eng_sub.pdf
- https://s3.amazonaws.com/fuwawibu/sifidexutusoluvosapo.pdf
- https://uploads.strikinglycdn.com/files/b44cee5e-66f0-4e92-a815-fba0ea99e20f/56098619359.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00014fc1.bin` `009940671a27c6b8228c5f0a886feef2b562f922816a49574eb47d34f7c41d84`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14FC1	5148 bytes
`font_01_sfnt_off00016154.bin` `9bf2ce196e1acb3b02e1e459ac7542413b716f305306b885d12a33f03646bc6f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x16154	11836 bytes

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