Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b64dc7bcc3741ce…

MALICIOUS

PDF

45.5 KB Created: 2020-10-04 22:23:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: dcf48643ece5d07df3152d0fa07b3cb1 SHA-1: 4cb3f3bcbdc722fbe1acf992b36f4c19f3fef7f3 SHA-256: 2b64dc7bcc3741ce31847aa4f794e8370e56a58d1c0fd5d3e00b6ffa823d21d4
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://cctraff.ru/strik?keyword=vidmate+software+free++for+mobile+iphone In PDF document text
    • http://bumuto.enotecaathena.com/uploads/1/3/1/3/131381130/xefop.pdfIn PDF document text
    • http://jegoxiw.damascushomes.us/uploads/1/3/0/9/130969742/7333057.pdfIn PDF document text
    • http://gubun.stoxandco.com/uploads/1/3/1/8/131856887/pozofizunomam-tiwisonokemixis-mozodukotuxer-xigiluzegejiviw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/0583/6964/files/sijewegetage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3976/0295/files/derufi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8771/4721/files/vawuvonedevexaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7483/7923/files/81463921275.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4789/2630/files/rufapuwatetejiguba.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f586dd7-ce7c-4a36-962b-84f8b26990b3/73681829334.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/41a443d3-2a58-451b-bf1d-ad0489e8d5fe/tiredafejenu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c04e73e-97a2-4cbc-bf29-7aa100917765/60798782516.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e53cdb6-c12e-47ad-a19f-5af7fcdb8067/bixekedujafagerale.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0a57d40-123a-42f3-9dfe-71e96f39732c/94299342127.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3ca327ce-0ff2-4097-83c0-245b8fa258c5/10238670623.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f61a8946-d98e-405e-b763-f1ea9cc48680/lozenit.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E67 5476 bytes
SHA-256: f8a32e9e57d16915a7b4a2e87bd595d8069c6b1f16d9861e51f14a221ac1457b
font_01_sfnt_off000070ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70EA 9876 bytes
SHA-256: e40913d7dbeae3f1d5676134e56ed2ecdcf095f8eb4187c841ded519dee65ff5
font_02_sfnt_off000092e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92E4 16416 bytes
SHA-256: b1a7be413c16529a3efb36790fb1ede9dbc47b99b1dcf399fe3ce16d881d47c9

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