Malicious PDF — malware analysis report

Static analysis result for SHA-256 16b6cd9caf2bc1f9…

MALICIOUS

PDF

38.1 KB Created: 2020-08-14 23:29:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 807836723a6e3c66a6bf47c0a0cd5af7 SHA-1: c4a8b1213640b0548a605a9518dab713bfb211cf SHA-256: 16b6cd9caf2bc1f9f3b4dcbdea0cadf668766acb7948c573a81705904e63440f
194 Risk Score

Malware Insights

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

The PDF document contains multiple embedded links, including one pointing to a known malicious redirector infrastructure at 'https://ttraff.ru/wb?keyword=hemnes%20bed%20ikea%20manual'. This redirector is likely used to obscure the final destination and potentially deliver a malicious payload. The document also leverages SEO tactics by linking to numerous PDFs on Shopify domains, suggesting an attempt to appear legitimate or to distribute further malicious content.

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/wb?keyword=hemnes%20bed%20ikea%20manual In PDF document text
    • http://files.homewoodmanitoba.com/uploads/1/3/1/3/131380825/fuxidelurokosoxepol.pdfIn PDF document text
    • http://files.store.wssbadminton.com/uploads/1/3/1/4/131454549/rotema_vidematemovi_sijazugakagenex_malufexaxi.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/1/0434/1625/6662/files/pewebevezaka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5941/1094/files/jlg_parts_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5123/7032/files/vuzaginabebidejedodozesi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8553/6159/files/jaxoguminezizenelawun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6617/1293/files/vejigebamabewekisuvol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7727/1716/files/minecraft_playstation_3_edition_mods.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/kasaju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29480145432.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/3240/7198/files/gumisofijumalonotuxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8352/1445/files/sales_commission_agreement_template_california.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8201/5135/files/39378143474.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4736/0414/files/harry_potter_and_the_chamber_of_secrets_cast.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005949.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5949 5040 bytes
SHA-256: 741089352764c6f30c5d066e56c991045c320eb58fa5b02c91f60c5f2747afb6
font_01_sfnt_off00006a4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A4B 9892 bytes
SHA-256: 027e87a4e2be388cc16bca1f583b4036dab7a81dc071325f729a63f139bf86f5

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