Malicious PDF — malware analysis report

Static analysis result for SHA-256 29f0e6aa4cba6663…

MALICIOUS

PDF

42.8 KB Created: 2020-08-23 17:43:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 508d79ebe6a231f7706640a1dfb7628b SHA-1: 7bc6ec32736fa4e7ba3a48e93911088402e6f5ed SHA-256: 29f0e6aa4cba6663ba5fdc550f56963ec8b8622aed59f264d2fd88fede1eca54
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The primary malicious URL is https://ttraff.ru/pify?keyword=guiseley+school+sixth+form+dress+code, which is likely part of a phishing or scam campaign. The document body, though heavily obfuscated, contains this URL and other embedded links, suggesting an attempt to disguise malicious activity under a seemingly benign topic.

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://ttraff.ru/pify?keyword=guiseley+school+sixth+form+dress+code In PDF document text
    • http://files.marksullivan.ca/uploads/1/3/1/6/131606260/jiwofadesubuzerut.pdfIn PDF document text
    • http://files.victoriacfontan.com/uploads/1/3/0/7/130775219/8214728.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://cdn.shopify.com/s/files/1/0433/7260/9686/files/wukivarefojin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8803/6505/files/46157244530.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0455/4008/1829/files/listado_de_alimentos_con_hierro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0582/1599/files/48497516586.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9870/9918/files/21310477090.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6294/2106/files/gafigesuxenososetujined.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/89106640345.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

Related samples 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D23 5028 bytes
SHA-256: c2fe939b58169129d03717cd298e144e8ebdd8533c95d7391e581f9f7394f966
font_01_sfnt_off00006e4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E4C 10020 bytes
SHA-256: a55aa409153d36bc4cf6c5382ddb51d7418647516c0db8523d0933c2f7c64675
font_02_sfnt_off00009097.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9097 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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