Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc2e934d2767104b…

MALICIOUS

PDF

69.7 KB Created: 2020-12-08 00:22:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 7f75a6c4e25d2d580f27f6688ca55fb7 SHA-1: 191f30384fe5508b30774acb8039de1db55fec11 SHA-256: cc2e934d2767104b674096c10c363c0bb2b76b4dff4e300171b546db97041627
154 Risk Score

Malware Insights

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

The PDF contains a link disguised as a download for 'Need for Speed Most Wanted', which redirects to the malicious URL https://gettraff.ru/123. This URL is flagged as a malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://gettraff.ru/123?utm_term=need+for+speed+most+wanted+apk+free+download+latest+version In PDF document text
    • https://cdn-cms.f-static.net/uploads/4460055/normal_5fc28157178f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373770/normal_5f97ddcf6a617.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366313/normal_5f8718fac21b4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471464/normal_5fb367a86a206.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371005/normal_5f95ec6bd09cb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4502870/normal_5fcb9bf1aa5ba.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/ef97ae0f-b085-44d4-895d-b3ede98692f2/ag3_mod_map.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f7767ab3-36f8-4d03-8b18-461dc065b487/guns_of_glory_tips.pdfIn PDF document text
    • https://s3.amazonaws.com/vuforewebub/princeton_architectural_press_grids_guides_notebook.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06740a26-9391-41a6-8e22-1a357c23625e/ziruni.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0f4468ce-7898-4e69-b336-d0e474512d24/jepupulenivote.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/16d86814-8825-440d-a59f-3bb45a681832/kexerazugekup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b2faa030-753e-437f-a2b5-deb4a2d45c72/tikebef.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c59c8fc8-1093-4cf1-94f5-e0950e8a7536/29163525145.pdfIn PDF document text
    • https://s3.amazonaws.com/rubidokezive/juvoxonula.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fde06050-4a21-4029-9dc9-61586cbce306/hayward_power_flo_matrix_pump_manual.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_off0000d3b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3B0 5372 bytes
SHA-256: ef2d7eedcebd3e0f2f687ca388a19223b1596c8da3cfabcb1276d6b459f60c09
font_01_sfnt_off0000e604.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE604 10272 bytes
SHA-256: 1d0c43abab2b6bf403ad5800ccf057fe5f9f0a745ed8dc7294331de21ae32e59

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