Malicious PDF — malware analysis report

Static analysis result for SHA-256 64200861d73a7c21…

MALICIOUS

PDF

70.3 KB Created: 2020-08-07 09:35:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c1b20afe2aa643c61c476c6f0dc7bbf8 SHA-1: c67b4a19dd7f3bd64bbfb540d976cdbc5a1297e1 SHA-256: 64200861d73a7c219ba36e79e8a07b91a2d81c8dd9d28e50b79e5e6525df8f51
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirection and a link farm, specifically pointing to 'ttraff.com' as a redirector. The document body, though heavily obfuscated, contains a URL that matches the suspicious redirector. This suggests the primary goal is to redirect the user to a malicious site, likely for phishing or to download further malicious content.

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=toronto+alexithymia+scale+20+pdf In PDF document text
    • http://files.jazzbeyondborders.com/uploads/1/3/1/6/131636745/gabiwijogirif.pdfIn PDF document text
    • http://files.dogbitesbakery.com/uploads/1/3/0/7/130738779/pisowew-vesutiregatuf.pdfIn PDF document text
    • http://files.gracehillps.com/uploads/1/3/2/6/132682110/1557104.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/1/0431/6954/6395/files/48590697336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6878/2757/files/64246484366.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7974/6201/files/jumixigobulomukugaxuteser.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0881/1427/files/chips_challenge_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21884581804.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7797/5717/files/wutiboxobirigazagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tipibag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3815/4650/files/89553626584.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0436/2906/files/gixixiposiwilamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wetidolurat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7202/8823/files/wupajasexowezadil.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 6

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_off0000c800.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC800 5788 bytes
SHA-256: 46a05de35fe521d2b8bb54413804649efbd9f333d296af180faf07b7e016fe26
font_01_sfnt_off0000db91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB91 15688 bytes
SHA-256: 790047b145a28508340ef23b39a97815a8af5dc67d7a2dc519444309c5808075

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