Malicious PDF — malware analysis report

Static analysis result for SHA-256 79311d810862f118…

MALICIOUS

PDF

73.7 KB Created: 2020-11-30 12:05:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 67111048cde204c78785a81f644421b2 SHA-1: acc833782ff4842b26d7e503a3647fd1618cd668 SHA-256: 79311d810862f118c7ada1a0b8fcc8f5df33f5576693c0a271282245359e7123
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://traffking.ru/wb?keyword=poe%20delve%20fossils%20guide In PDF document text
    • https://wetejitaxazis.weebly.com/uploads/1/3/4/3/134306742/virululebawazep_livitorasomapi_dokunixuxavin_xonukavuna.pdfIn PDF document text
    • https://wunogalet.weebly.com/uploads/1/3/4/8/134891918/sekilom.pdfIn PDF document text
    • https://nozudasukexip.weebly.com/uploads/1/3/4/4/134441991/towixi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370317/normal_5f978294b3ff3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369318/normal_5f964b2ed7819.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458615/normal_5fbb864c06142.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366358/normal_5f9d28eb9ffc6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425933/normal_5fa715c4bc2a7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/d1e3c37a-9367-45c9-8fea-41a8dfa546d1/58261843636.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/13140888510.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/194dbddd-bbcd-41b0-83b1-afcc096ec699/3842864510.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbffb332bbd740658015355/t/5fc1e5c9f81c9a2a0ce6a68b/1606542794192/rakebojizanozifi.pdfIn PDF document text
    • https://s3.amazonaws.com/zolerazowubow/second_agricultural_revolution_crops.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d878.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD878 4524 bytes
SHA-256: 68534a43205e1ce028b000da3c3c96d989eed7ac7085ef6dd73226548628ec58
font_01_sfnt_off0000e7f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7F0 10684 bytes
SHA-256: be0e6958d27f4f1a8cd3168309ead89c8a5852e2d1bc6c283e5b39f33a7d02ec
font_02_sfnt_off00010c50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C50 4324 bytes
SHA-256: ad623bc7c681097dfa1224999cf6cc6072d3ca9a137655dc1129b0261f0b357c

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