Malicious PDF — malware analysis report

Static analysis result for SHA-256 4009b7570182e6e7…

MALICIOUS

PDF

45.0 KB Created: 2020-07-31 02:14:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6c563d01f021a4a481b671f4ede75992 SHA-1: 6e164616ee4d0d72a05ee8b0ffe8f1eb20022dea SHA-256: 4009b7570182e6e70d37dcb0303d3e3d6ef31d519778d80463bcd0a8b93c67f6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. This indicates an attempt to redirect the user to a malicious site, likely for phishing or malware distribution. The document body, though heavily obfuscated, contains text related to 'Barbie doll clothes patterns pdf', serving as a lure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility.

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=barbie+doll+clothes+patterns+pdf In PDF document text
    • http://files.ambassadorsofnature.com/uploads/1/3/0/7/130775150/fogiladubejusiz-fimajigoga-doxofufabixile.pdfIn PDF document text
    • http://files.harrisburghigh.org/uploads/1/3/1/3/131379371/d7ff44.pdfIn PDF document text
    • http://files.cjlfastpitch.com/uploads/1/3/1/4/131483336/76e3a544d7c36f.pdfIn PDF document text
    • http://files.wastelessjewelryandcompany.com/uploads/1/3/0/9/130969408/9094262.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/1/0431/9569/5268/files/lelaworurejetugewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6462/3265/files/49481566767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5882/2296/files/lesibevozaxevesigewuxupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5594/6645/files/58538399722.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1826/3464/files/vogeso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3945/7431/files/62052248415.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1786/1277/files/66701833007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2514/5754/files/55168978864.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/36691103155.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4895/9141/files/voruxetupunow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0697/5382/files/45599252484.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8239/0435/files/90742611878.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1659/3312/files/jomotofefapevipexef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7896/7703/files/23980471308.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_off000071fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71FA 5220 bytes
SHA-256: 5a08eb2e51e24fb7cec5959be048a4fd8e613c49e648eac6d356621c41b1dbf0
font_01_sfnt_off0000839f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x839F 10348 bytes
SHA-256: 540a3e9904995823f3a2c2a7ad76d91cd5ebeceb814c458005410044e5be97d2

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