Malicious PDF — malware analysis report

Static analysis result for SHA-256 62ce1cd97f273272…

MALICIOUS

PDF

74.4 KB Created: 2020-12-24 22:15:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: bfedc8fde7d2db711ab3841c79484afb SHA-1: 15ea924b400c3ecb19bdab0b2f82956d63ede1b0 SHA-256: 62ce1cd97f2732720a32f41104676ede8ee3257cedada6b30eed96ae442b9b38
154 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://gettraff.ru/aws?utm_term=android+wear+2.+0+fossil+q+marshal`. ML classification and ClamAV also strongly indicate maliciousness. While no scripts were extracted, the presence of malicious URLs suggests the document is designed to redirect users to potentially harmful content, likely for phishing or malware delivery.

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/aws?utm_term=android+wear+2.+0+fossil+q+marshal In PDF document text
    • https://zavewixesareput.weebly.com/uploads/1/3/4/8/134855174/54eb0959.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365586/normal_5f8718dcb4ea1.pdfIn PDF document text
    • https://nupejaxisolerez.weebly.com/uploads/1/3/4/3/134348845/taguduxu.pdfIn PDF document text
    • https://cdn.sqhk.co/zijikunu/gOYjjvQ/nojasiwagi.pdfIn PDF document text
    • https://pukogapuwobar.weebly.com/uploads/1/3/4/3/134307851/6997911.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408702/normal_5fc9baf84571c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481988/normal_5fac3f6c44a8d.pdfIn PDF document text
    • https://cdn.sqhk.co/lewivapawo/VEjjbgj/99591748145.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/tutapaxi/happy_birthday_flowers_wallpaper_free.pdfIn PDF document text
    • https://s3.amazonaws.com/vazisi/mech_assault_on_xbox_one.pdfIn PDF document text
    • https://s3.amazonaws.com/tanapilamaxi/polimofuw.pdfIn PDF document text
    • https://s3.amazonaws.com/zuvovoxigumuz/goxifadoju.pdfIn PDF document text
    • https://s3.amazonaws.com/golepe/mobilemovies.com_hollywood_free_download.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_off0000e1e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1E6 5660 bytes
SHA-256: 8aa34a6dfa29bf4bae36ca137c80b47b4f41c383cc4b224707068856e7a0af85
font_01_sfnt_off0000f50f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF50F 12204 bytes
SHA-256: abac0da428c1f39e462e3ad642084429b7a5c1bc4cd424b9518c177ed567bd4a

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