Malicious PDF — malware analysis report

Static analysis result for SHA-256 829c7da683e4c89b…

MALICIOUS

PDF

43.7 KB Created: 2020-08-02 19:28:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7347988fdf18e2676b45a8a5883de41e SHA-1: 8d5472032691b85cb7c3448fb27e76b33be72b39 SHA-256: 829c7da683e4c89b59e28d4405e5c4d7a377fc4ba309cf51dcacd0bf5b8c3360
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by a machine learning classifier as malicious and contains multiple links to redirector infrastructure, specifically 'ttraff.com'. The document body also contains numerous embedded URLs, many pointing to Shopify-hosted PDFs, suggesting a link farm or SEO manipulation tactic. The presence of these links indicates an attempt to lure users to potentially malicious sites or to artificially inflate search engine rankings.

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=php+debug+xampp In PDF document text
    • http://files.whitneylawrence.com/uploads/1/3/2/6/132695329/1724785.pdfIn PDF document text
    • http://files.andreawysockiessentials.com/uploads/1/3/1/6/131606652/254da9.pdfIn PDF document text
    • http://files.apostolicdeliverancefive.org/uploads/1/3/0/7/130775434/344824.pdfIn PDF document text
    • http://files.pbhomephysio.ca/uploads/1/3/0/8/130813747/7865323.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/1/0433/0687/7080/files/dogudanivivakow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0472/9243/files/dubalimijesinuzud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6943/2230/files/bilumitax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1828/0357/files/59120933192.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3152/6557/files/86009863328.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6035/3429/files/water_orb_osrs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0989/9670/files/zevetimoluzasoletelido.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8212/9320/files/xirowimibebepasifozego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3260/8921/files/86598129159.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5317/9289/files/sonewegoxunuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1022/0447/files/trailer_life_towing_guide.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_off00006d43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D43 5276 bytes
SHA-256: 2157387ad28fbf38d9e0ea195445c73423b882176428b6912cab9e3396f84a8a
font_01_sfnt_off00007f18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F18 10356 bytes
SHA-256: cc26a18c75bfab9cf2239fba96fe6164aa48263444a64fd9560d891974b8ca13

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