Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a80157f6802c47e…

MALICIOUS

PDF

64.2 KB Created: 2021-01-16 12:35:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: a224f5c3d26725f1c9d93020c2e57250 SHA-1: bb496e7b5b3d38f24cf0a75b633c0f8425ae830f SHA-256: 0a80157f6802c47ea4ebe8633647529fda9912bb0a2e83e50e5711f21d88189f
182 Risk Score

Malware Insights

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

This PDF file contains numerous embedded links, with at least one pointing to known malicious redirector infrastructure. The heuristic firings indicate it is a link farm hosted on disposable infrastructure, designed to direct users to malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to redirect users to malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5990

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
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/aws?utm_term=ek+baar+hadh+full+song In PDF document text
    • https://site-1174906.mozfiles.com/files/1174906/nupokopux.pdfIn PDF document text
    • https://site-1188419.mozfiles.com/files/1188419/kal_ho_na_ho_piano_chords_sheet.pdfIn PDF document text
    • https://site-1180773.mozfiles.com/files/1180773/binder_spine_template_powerpoint.pdfIn PDF document text
    • https://site-1083772.mozfiles.com/files/1083772/93159477510.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473403/normal_5fb2e750c4df2.pdfIn PDF document text
    • https://site-1177610.mozfiles.com/files/1177610/coffee_weight_gain_cortisol.pdfIn PDF document text
    • https://site-1206965.mozfiles.com/files/1206965/bedding_sheets_at_target.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483089/normal_5fb605687a414.pdfIn PDF document text
    • https://site-1173507.mozfiles.com/files/1173507/cat_staring_into_space_meme.pdfIn PDF document text
    • https://site-1197344.mozfiles.com/files/1197344/pemukawimeku.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/saxefi/93564794554.pdfIn 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_off0000c895.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC895 5332 bytes
SHA-256: e78280949f9f9a8630cff796c6ed60fb486098b614a1f096d33a4a69b89b0a8b
font_01_sfnt_off0000dab2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAB2 10216 bytes
SHA-256: f6d7e23a239d58c60005f3a51ce07943974ba3e8304c21f67a6af4bf14e5e2ed