Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fa46692ee86ce81…

MALICIOUS

PDF

51.7 KB Created: 2020-08-20 01:55:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d0b63673b3a7caa11523ac56db081f1b SHA-1: cc1f8120697b1bf1622a78a64b197b7c3267636e SHA-256: 8fa46692ee86ce81a6ef04a2cd1b22ef33f706a501b88900b5a35a3145fd7c8f
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, including one pointing to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though partially corrupted, suggests a lure related to a 'cricket ball size guide'. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.

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=cricket+ball+size+guide In PDF document text
    • http://files.toprodbassmasters.com/uploads/1/3/0/7/130775245/5572541.pdfIn PDF document text
    • http://winas.recraftandrelic.com/uploads/1/3/0/7/130776255/vilumuzoke_topifejefuguve.pdfIn PDF document text
    • http://bonez.pandlcarcare.com/uploads/1/3/2/7/132741593/b0a06b453a5a8.pdfIn PDF document text
    • http://befigagu.hivmedfellowship.com/uploads/1/3/0/8/130874064/018ef582d840.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/1/0428/3380/5471/files/segezujexaxavilaku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0425/4615/files/81328780604.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3203/4980/files/59548619948.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0230/6468/files/freelance_football_reporter_jobs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3616/4774/files/86071655854.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4392/9757/files/zenadebubevelimapikatuti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6564/7012/files/safofubowotinajezot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zipepatijexozuzazes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2909/3784/files/bijobobe.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_off00008be5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BE5 5264 bytes
SHA-256: 6ddd4188af6c9f4ed5b14839857c7d919444400933974f2a9fe8cd7cb3729d9c
font_01_sfnt_off00009dd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DD2 10744 bytes
SHA-256: 3c5b5f3d7b99789b1b43294bfadf850db66a6d643363b8c5ffa22bc9cd079df4

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