Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5e58e4f30761f47…

MALICIOUS

PDF

40.9 KB Created: 2020-08-21 07:57:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9fd8f8c10886bd0427457f7652a8dc33 SHA-1: 20463e641f6ab0d4e3ab272e2b39dc4ee211640b SHA-256: b5e58e4f30761f47578a4bf4a0a05c7e3dd22dc7d42d5971e326715e3dc762a4
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link to a known malicious redirector, ttraff.com, disguised as an Excel template. This redirector likely leads to further malicious content or exploits. The document also contains a large number of links to PDFs hosted on Shopify, which is characteristic of SEO link farm abuse to improve search engine ranking for malicious content. No scripts were extracted, but the primary attack vector is the malicious link embedded within the document.

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=normal+distribution+graph+excel+template In PDF document text
    • http://files.cowboygearbyhayroot.com/uploads/1/3/1/3/131398097/9203681.pdfIn PDF document text
    • http://files.kelseyskeys.com/uploads/1/3/0/7/130738657/futifi_mobanadawaf.pdfIn PDF document text
    • http://files.marylanddressage.org/uploads/1/3/1/0/131070089/futasejuz_pujotuzusabop.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/1/0436/9140/9562/files/39727141892.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1424/9886/files/fesuninevemexelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0311/7721/files/18489949753.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3614/5814/files/75227345448.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2873/2314/files/47567604280.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1746/2182/files/wodomewezukofego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0635/9714/files/zazuzebazif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4241/4493/files/pnb_housing_finance_fd_15g_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3656/5923/files/69982319041.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_off0000616a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x616A 5664 bytes
SHA-256: 34cd41b94e2e2500b420dcbec39adf8bfa26326db27279f8cda4ab6932468073
font_01_sfnt_off0000747d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x747D 10016 bytes
SHA-256: 494f6f93d365f47d8bf3d7c4602e3b8eb6fe3c4049c454ef6bae6f7048338ea9

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