Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e59d5dd37beb15…

MALICIOUS

PDF

60.7 KB Created: 2020-11-11 09:52:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 3d4af4d0ee2d9b93c2a4fc1cfb32b52d SHA-1: 517d19bcf8436240f01e490cbd02d77f06a82b14 SHA-256: d3e59d5dd37beb1541cce2e84f786fabbfa7cc5c76c746b93d6df2835d2793c6
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • 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 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://traffine.ru/wb?keyword=essentials%20of%20strategic%20management%206th%20pdf In PDF document text
    • https://latenenagizogip.weebly.com/uploads/1/3/2/6/132696064/1549727.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369183/normal_5f8ad0f33c5e6.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/wonoti/multiplication_worksheets_3rd_grade.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8d032850-1734-4dd2-b119-fbae84514f31/rujenulejizoragoditu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/04f3fe15-e643-4c56-a828-9872535ff282/teveti.pdfIn PDF document text
    • https://s3.amazonaws.com/panokojol/dave_and_busters_nutrition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3858740b-01c0-48b8-989e-b3a36b1ea697/60515386647.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be5a32c9-201d-4a18-9745-937d62d9495e/rufimalawodalirulitovuso.pdfIn PDF document text
    • https://s3.amazonaws.com/xokebore/28537027238.pdfIn PDF document text
    • https://s3.amazonaws.com/tonemakopinibem/berg_balance_scale_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b264b31f-80e1-438d-96b3-2646fb70d6b5/mefanozapemod.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_off0000b1d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB1D1 5680 bytes
SHA-256: 9a8689a14723446c5411d5b214c5d1c466701ea1ce6ac88426b8eec850baf237
font_01_sfnt_off0000c4f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4F7 9792 bytes
SHA-256: 32a7969f6b7daec33ea672e2a3ec67bcb49c0ff3164c4d4ef26d07ac8307e50c