Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b66be3d30ec8c0d…

MALICIOUS

PDF

66.9 KB Created: 2020-11-21 20:05:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: a315ad483d52fa0186bf1810b6f4cfdb SHA-1: 8e42290737b829941edce2ff47474bae237d6e82 SHA-256: 2b66be3d30ec8c0d901caa75771ee3e3624c10d5391c0ea074e4bb01191a15ad
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://trafffi.ru/wb?keyword=remove%20charge%20off%20from%20credit%20report PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369323/normal_5f87d4dce466d.pdfIn PDF document text
    • https://letenusesek.weebly.com/uploads/1/3/4/3/134310332/fitubosaji_fijarokapixolim_setez_limipe.pdfIn PDF document text
    • https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/bovufimagabako.pdfIn PDF document text
    • https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/lifarunewo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377112/normal_5f8aadf51b2a0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376371/normal_5fae086e37c8f.pdfIn PDF document text
    • https://gokopawe.weebly.com/uploads/1/3/4/4/134493337/1289421.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/nimuwet/69111165412.pdfIn PDF document text
    • https://s3.amazonaws.com/tutapaxi/critical_appraisal_checklist_form.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/who_are_the_gatekeepers_in_media.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9dcd7762-a6f7-4c02-abd6-1404af172478/ruud_silhouette_ii_troubleshooting_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/lebaxa/king_bed_platform_frame_diy.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_off0000c8dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC8DD 5428 bytes
SHA-256: 29b623949aa29b347c8638b25ee291c99878e01f6ae089ae84b58fe673e9a758
font_01_sfnt_off0000db3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB3B 10560 bytes
SHA-256: d0be98dbc620e4e3a0c770c0cd8cdf4907c4eefba981f4738fa46e12006aea72