Malicious PDF — malware analysis report

Static analysis result for SHA-256 60f5fd0617b41f36…

MALICIOUS

PDF

77.0 KB Created: 2020-12-03 15:16:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 112c8398ed3c67ac5a716560caf4298f SHA-1: 71a14981b32030dbdf841dfea02cf8510ddefe3c SHA-256: 60f5fd0617b41f36cd01335c1b92188d2858d8be6fa5bbe2dd0f17da70e6a4b9
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The document body, though heavily obfuscated, contains text related to a product manual, suggesting a lure to trick users into visiting the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://traffnew.ru/aws?utm_term=nikon+digital+camera+d3400+manual PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4419413/normal_5fb48ecaf0a44.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415739/normal_5f9d814d017bc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368497/normal_5f8cba2342c1b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388420/normal_5f9819a3e9fca.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424689/normal_5fa59cfc6b46b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379230/normal_5f8e4c93b0bca.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373504/normal_5f9815ba0ae14.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489992/normal_5fafd2d04b7cb.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/savukojubusum/ego4u_reported_speech_bungen.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dcdf107a-f1f5-4649-a9a0-c758616f0e10/vebowugozamoj.pdfIn PDF document text
    • https://s3.amazonaws.com/vazisi/input_and_output_btus_difference.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ff1bcde9-500a-4741-a0b1-8135abd58fcd/22378739643.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.

FilenameKindSourceSize
font_00_sfnt_off0000f063.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF063 5508 bytes
SHA-256: e8da4838877cd2f1bcdd3816ecd5738ca45e41a9e9e799e796ac43ed182ab181
font_01_sfnt_off0001031a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1031A 10812 bytes
SHA-256: 6e769ee79a0c09024042d1b79c2a996b5d0ed72a7ce1a352260cd2abea32a17f