Malicious PDF — malware analysis report

Static analysis result for SHA-256 c691fe27cf1706a6…

MALICIOUS

PDF

47.6 KB Created: 2020-08-09 05:20:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: be58d792e63116374f277067ad56fd32 SHA-1: 2efd36b1e325475da7338ab9bb31c22784b9f48b SHA-256: c691fe27cf1706a66550cfc8115a49f6213c72c2679977e9144e57ff1f4987dc
194 Risk Score

Malware Insights

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

The PDF contains embedded links, one of which, https://ttraff.com/pify?keyword=robotic+process+automation+blue+prism+pdf, is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect the user to malicious infrastructure. The presence of numerous other links hosted on cdn.shopify.com and other domains indicates a link farm strategy to obscure the final malicious destination.

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=robotic+process+automation+blue+prism+pdf In PDF document text
    • http://files.inhomesalestrainer.com/uploads/1/3/2/6/132682936/1963021.pdfIn PDF document text
    • http://kareset.warnerwags.com/uploads/1/3/2/6/132681352/zilasujeto.pdfIn PDF document text
    • http://rekatare.mayadayal.com/uploads/1/3/1/0/131070493/b9a9192.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/1/0434/0301/8392/files/7060282153.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6596/6754/files/70782900650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0002/1667/files/dudixubebavubuxoxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4231/4152/files/namorado_de_aluguel_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/bifififibelozaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52325197595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8804/4442/files/57567462525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9291/8937/files/zununavolune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3678/7356/files/evinrude_6hp_outboard_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1586/2434/files/numbers_1_to_10000.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_off00007b74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B74 5448 bytes
SHA-256: 55e1e71ccc2cea72f0f8a92265630822af138183734f9ca5d0a095d3ae87ebbb
font_01_sfnt_off00008de1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DE1 10452 bytes
SHA-256: 9bd4df004730b48fafe810d446317535ec7c271ab39dfd5605281dc761032faf

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