Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8701e7d4286d625…

MALICIOUS

PDF

105.7 KB Created: 2020-11-11 18:01:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 02a65f623c6494db53e462a753156aae SHA-1: ba309df40bca23d8841795c713493474e359df1c SHA-256: f8701e7d4286d6257cf5167b6a2b78fbfd3a00855d03bede97e374c6a35f3851
254 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
  • 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 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.
  • 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/wb?keyword=analogue%20signal%20pdf In PDF document text
    • https://sixapinipuso.weebly.com/uploads/1/3/1/3/131384402/zolamojugenejoravum.pdfIn PDF document text
    • https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/8407166.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/dda3d62a-d7be-4d95-a4b9-5834a81248cc/dilaveno.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/75e1a7b3-ffac-4477-9101-a9054cf73ff8/circle_of_sundering_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/gurafoga/86609779952.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9352e48d-e812-4cde-8d46-23b05f79e868/digital_technology_merit_badge.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a3a5d779-3bfa-45ca-b21e-2ce9e0b78d70/79863869498.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29e187bb-1cdc-4acb-a2b4-399701c0155f/somodiwo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/566f55ff-12f7-40f2-babd-ad81f206e4b1/information_technology_project_management_kathy_schwalbe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7ff40b9c-af10-463d-90e4-e6156694ef74/mfc_token_generator.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bae6b220-8343-4f40-93e1-afa2bf556e4d/voravupadasetuzumesemif.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_off000163b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x163B4 5100 bytes
SHA-256: c16ae1345947e8d99bf893629619c1782eadbcf6f63fae6b06e2597db48c94f5
font_01_sfnt_off0001752b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1752B 10912 bytes
SHA-256: d1fa3d55ecadaf4d02a23a4450fd1305783efeaf87b2915b459fec8a5c0b7926

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