Malicious PDF — malware analysis report

Static analysis result for SHA-256 e963f4229a85c54d…

MALICIOUS

PDF

60.0 KB Created: 2020-08-13 03:10:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c6a6404d83f50cd8b8f8be8058f126ec SHA-1: e2cd26675e97d951116d8c04288f9e4577636c6b SHA-256: e963f4229a85c54d9a95a5dadafcfc9e8002c2904b6182b148e0167455718641
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to benign Shopify URLs but one critical link to a known malicious redirector at ttraff.com. This suggests the document is designed to lure users into clicking the malicious link, likely to download further malware or redirect to a phishing page. The ML classifier strongly supports the malicious nature of this PDF.

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.com/pify?keyword=isolation+and+identification+of+actinomycetes+from+soil+pdf In PDF document text
    • http://files.transformationextender-community.com/uploads/1/3/0/8/130874063/purenukovodazi.pdfIn PDF document text
    • http://files.kmartialarts.com/uploads/1/3/1/3/131398091/geribanimap.pdfIn PDF document text
    • http://files.aldins.com/uploads/1/3/1/3/131383453/3989688.pdfIn PDF document text
    • http://vemes.yarrastudios.com.au/uploads/1/3/1/4/131438641/fusogenovedinuzipuwe.pdfIn PDF document text
    • http://files.oslcflandreau.org/uploads/1/3/0/8/130814605/4379370.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/1/0428/0818/0895/files/divida.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4606/7605/files/39759663963.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8764/3303/files/71900998933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2434/1400/files/81597848825.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7861/4168/files/suruvozanalewavukog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2601/2567/files/todd_lammle_ccna.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2865/9874/files/dulegexojezakiforepokele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5415/4406/files/wigorajoginixesado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/5482/9463/files/entrepreneur_magazine_philippines_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0763/9711/files/64859127171.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/5927/7987/files/patterns_of_enterprise_application_architecture_2nd_edition.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 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ad29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD29 5340 bytes
SHA-256: 23ac1efc36d52db7866e3544d11bbf8242323b717a799dbd1bf118ddb08ab5cc
font_01_sfnt_off0000bf3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF3D 10292 bytes
SHA-256: 2c9783c153d0e6f9521571f61c6a36833c183787c829c21c787c2e823c11e54f

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