Malicious PDF — malware analysis report

Static analysis result for SHA-256 63c58b8a0f6bd5e5…

MALICIOUS

PDF

75.6 KB Created: 2020-11-13 13:31:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a8f092e9b6b7b25a4ba2126987ad499e SHA-1: 792010e15734f14e9c00122f57c1e7a1411c5229 SHA-256: 63c58b8a0f6bd5e5178d9ec77e3b4bc21190bab44e98f2e1b32bc33d62833ac3
96 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating high maliciousness. The document body references 'Kanchana 2 telugu movie online', a common lure for phishing or malware. An external URI, https://traffnew.ru/strik?utm_term=kanchana+2+telugu+movie+online, was extracted, suggesting a potential command and control or redirection endpoint.

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/strik?utm_term=kanchana+2+telugu+movie+online
    • https://cdn-cms.f-static.net/uploads/4475571/normal_5fa7c4b9e6ab1.pdf
    • https://cdn-cms.f-static.net/uploads/4408881/normal_5fa6260c0ec4d.pdf
    • https://cdn-cms.f-static.net/uploads/4375885/normal_5f8b0af7a175e.pdf
    • https://cdn-cms.f-static.net/uploads/4414173/normal_5faa240e96580.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/4900204c-ad00-428c-b2ac-9c832efb5b2c/loxiferonoduverewojupat.pdf
    • https://uploads.strikinglycdn.com/files/d48bd990-ef44-4b3c-b2e6-ac0290fc538a/voratu.pdf
    • https://uploads.strikinglycdn.com/files/5ef4716c-9c2c-4668-93c8-5b0dbf24038b/katewabutuvaporirataxifeg.pdf
    • https://uploads.strikinglycdn.com/files/efb1dc74-c2fb-4acd-bf93-2c1135dad98f/wave_the_swallow_and_jet_the_hawk.pdf
    • https://uploads.strikinglycdn.com/files/09f7dfbf-1374-4fea-89ee-613c79d8095a/menukarataxepolugiredo.pdf
    • https://s3.amazonaws.com/susonanezaj/kazidet.pdf
    • https://uploads.strikinglycdn.com/files/008b52a2-210e-431c-9f6b-c264df805e22/43244565589.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.

FilenameKindSourceSize
font_00_sfnt_off0000eb35.bin
52551cd80c7efd41581b4ef0e286b919716fce0f71cc1a965b8d12562046ece5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB35 5100 bytes
font_01_sfnt_off0000fc7e.bin
e700a888a53a87fba3f25c836f160d71494bd3112bee7a4235301feb34e2b363		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFC7E 11076 bytes

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