Malicious PDF — malware analysis report

Static analysis result for SHA-256 2461f35a2de87f2e…

MALICIOUS

PDF

41.3 KB Created: 2020-08-05 00:27:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 35e2636c70fddabdc6fa7dd6b554b86e SHA-1: 2f21a44f806e084fff6d278bfb739b5452edb239 SHA-256: 2461f35a2de87f2e7e06433c00ec3155f0af31754d7e4c7a41300fe7669e6185
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, disguised as a guide. This redirector likely leads to further malicious content or exploits. The document body and embedded URLs indicate a link farm strategy, with many Shopify-hosted PDFs, likely to improve search engine ranking and distribute the malicious link. The ML classifier strongly supports the malicious nature of this PDF.

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=how+to+make+pdf+look+like+book In PDF document text
    • http://files.lulabellestyle.com/uploads/1/3/0/8/130814534/lenupomozonor-luris.pdfIn PDF document text
    • http://lifuzo.thesummitplayhouse.org/uploads/1/3/0/7/130776791/cb7cca.pdfIn PDF document text
    • http://files.cheyenne-janas.com/uploads/1/3/2/8/132814096/belufazoro_jawemokope.pdfIn PDF document text
    • http://files.geographyburp.co.uk/uploads/1/3/0/7/130775823/e717c6.pdfIn PDF document text
    • http://xijawabe.finethings4u.co.uk/uploads/1/3/1/6/131636903/0fb247.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/1/0428/1755/2543/files/99017626277.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xibirinadinabamagumib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4355/2416/files/87650130353.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/kubikovidekod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5821/7631/files/vizisifowitaje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4475/5866/files/54509229605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9430/2117/files/xiliwaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mogapusezonoxifetomo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0785/1171/files/mowelaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4125/9671/files/cry_freedom_oxford_bookworms_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2433/4496/files/2280641585.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 7

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_off000064c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64C9 5168 bytes
SHA-256: 5a3e498c2bd7d5cde6aecd15d1628fed3cd1647eab6205acf13861cfaeed4a02
font_01_sfnt_off0000765b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x765B 10024 bytes
SHA-256: ef1042dc3c4454f0621c95cce04e08b48d0ceda8c7ae7b4dfaca24260de92976

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