Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd902c4bd5ea6db6…

MALICIOUS

PDF

41.6 KB Created: 2020-08-25 17:25:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1d89f5ac9ef2bb5814b038f17238d7f2 SHA-1: 42ff2db033af9f358327f9fb2b430b471ea725bd SHA-256: bd902c4bd5ea6db680f2b39b93462047b745985e648586c5e5d621e409f1831d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF contains a malicious redirector link, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains the URL that leads to a lure for a 'hot dog cart business plan template'. This URL, https://ttraff.cc/pify?keyword=hot+dog+cart+business+plan+template, is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. The presence of numerous other PDF links, as noted by PDF_SEO_LINK_FARM, further supports a malicious distribution scheme.

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.cc/pify?keyword=hot+dog+cart+business+plan+template In PDF document text
    • http://files.bethelviewpreschool.com/uploads/1/3/0/7/130739570/nerinulafid.pdfIn PDF document text
    • http://files.riedelsports.com/uploads/1/3/1/4/131407898/2d58c01f40455.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/1/0435/4136/4890/files/o_level_biology_notes_uganda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1425/0905/files/72300704445.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6711/1584/files/13542283525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3759/7607/files/wow_classic_druid_quests_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6764/5852/files/denuna.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5181/0969/files/duzatakesis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7012/8277/files/65300103906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9857/8848/files/zisenujexiwuxofevaxiguf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5453/0714/files/6399103741.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 2

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_off00006423.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6423 5496 bytes
SHA-256: f499ca8b0aac05b583c4158a3bfeee1d34d6c8f6604e99bf613738db96e89b1b
font_01_sfnt_off000076b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76B6 10292 bytes
SHA-256: 3bd570cd76c16314af9545cf48b48fc85d3bff7c9f60ed8ccbd1a4bfe3759a0a

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