Malicious PDF — malware analysis report

Static analysis result for SHA-256 e02fc1c12ea29276…

MALICIOUS

PDF

82.3 KB Created: 2020-12-18 20:53:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 0956bb46e15fb2d6c95df9be6637f4ed SHA-1: 19420981d05c897f3cc962ad9d2f32c519be3e0e SHA-256: e02fc1c12ea2927687ff1d321028d8dd5ff8dd08a7e2a02ccb8ee9b144bd2d6e
154 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, with critical heuristics indicating it functions as a redirector to known malicious infrastructure. The embedded URL 'https://traffking.ru/123?utm_term=r+ffbe+units' is a primary indicator of this malicious intent. While no scripts were explicitly extracted, the PDF structure and the presence of embedded URLs strongly suggest an attempt to lure the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffking.ru/123?utm_term=r+ffbe+units In PDF document text
    • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/vebuwulegug.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424985/normal_5fc069f504e68.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376120/normal_5f96874aab21b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393631/normal_5fb705d7f11c8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489848/normal_5fc463dd71c3f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4458132/normal_5fd0601b064ae.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412900/normal_5fc54704c7732.pdfIn PDF document text
    • https://xuredetinumimo.weebly.com/uploads/1/3/4/6/134630251/8095688.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412413/normal_5fad9abe48450.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/xomepixo/sivapepuwisobefavu.pdfIn PDF document text
    • https://s3.amazonaws.com/vapite/reticular_formation_main_function.pdfIn PDF document text
    • https://s3.amazonaws.com/tarajix/tisibak.pdfIn PDF document text
    • https://s3.amazonaws.com/piradi/nanubixegun.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc676cd1452f90b7f0b47eb/t/5fc7964c48d5672cfb438a20/1606915661349/45196459012.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc28709affbf90a66f4d793/t/5fd1c2ed871f8c6e595c361a/1607582445993/auto_photo_background_changer.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dfd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFD9 5116 bytes
SHA-256: af73cb88be12884d5d6588e27bc3cffe1e64deb57e166cc01bf0e611e1ea0172
font_01_sfnt_off0000f19b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF19B 4568 bytes
SHA-256: f4443a7b6b8f9890be386aa6820542c53c74088f6c59deedb786114970221fa2
font_02_sfnt_off0001014b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1014B 10936 bytes
SHA-256: b3b2e6a7114a10da5bfcaecc3dfebe6fcdc796048b8cdceb15582a43fad0f581
font_03_sfnt_off000126dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126DD 16092 bytes
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67

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