Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c331087b96a787e…

MALICIOUS

PDF

49.8 KB Created: 2020-07-30 14:53:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9d3bc39757d32919e077975b0d7c6e02 SHA-1: d00c7cf8c00068d5aba792086c01617cda9ec5f9 SHA-256: 9c331087b96a787e32914aa78b14e791802a6e72908bf12b4e5d48b41011bc61
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is `https://ttraff.ru/pify?keyword=aspects+of+love+pdf`, which is likely used to funnel users to a malicious site. Another heuristic indicates a PDF link farm, with `https://cdn.shopify.com/s/files/1/0429/0910/6335/files/84816200074.pdf` being one of many such links.

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=aspects+of+love+pdf In PDF document text
    • http://files.capturingculture-reighanfisher.com/uploads/1/3/2/6/132695915/fubogasilakivumas.pdfIn PDF document text
    • http://files.shopchiffons.com/uploads/1/3/1/4/131406610/3eb1b113823.pdfIn PDF document text
    • http://files.davidjhelfand.info/uploads/1/3/0/7/130776819/gijisexuloboget.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/1/0429/0910/6335/files/84816200074.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7543/6705/files/jajeramavimiledoronuponam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/48797073346.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0398/5570/files/lomubopubefagimevap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2741/4696/files/52987712195.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9516/2022/files/30643078075.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3786/7687/files/rikipenemakugunev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0254/3778/files/bupepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6176/3480/files/17228681498.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 3

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_off000087e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87E4 4524 bytes
SHA-256: 656a5d2ee0e4ec6f778ecfddb2d0f405771b46b5902242573bb0b37e3cd872f7
font_01_sfnt_off0000975c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x975C 10392 bytes
SHA-256: 095955fe25ee8c3bebad8fc11060cbc035c84bad7673792b59e61ffa6d440405

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