Malicious PDF — malware analysis report

Static analysis result for SHA-256 9902fe51f4d12c16…

MALICIOUS

PDF

40.5 KB Created: 2020-08-16 18:29:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 535de4b054675691e661d311a8dfed7e SHA-1: 1a2e143a27fbebb4b52c5357f981cfb15f1052c7 SHA-256: 9902fe51f4d12c1602ce4383f2f2f9b77c11048f06d922d4c27ba654ac507594
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, directing users to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains, likely for SEO manipulation or to obscure malicious intent. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=cochise+stronghold+climbing+guides'. Another suspicious URL found is 'http://ramol.polonskyfilm.com/uploads/1/3/2/6/132680813/1c6fb63da.pdf'. The document body, though heavily obfuscated, contains references to the malicious URL.

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=cochise+stronghold+climbing+guides In PDF document text
    • http://ramol.polonskyfilm.com/uploads/1/3/2/6/132680813/1c6fb63da.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/1/0431/2160/6820/files/66308570391.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6705/7063/files/79979683167.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3217/5014/files/atoms_and_molecules_class_9_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0334/6078/files/42683675352.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4916/4705/files/jasafe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7154/6279/files/luvavude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49839171509.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4082/3706/files/google_docs_anonymous.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3378/6518/files/nakavovob.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 1

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_off00006101.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6101 5188 bytes
SHA-256: ab474375de74c73f66a797be10e9b1031c60cf6881fdf50f61f6403617f8b17a
font_01_sfnt_off0000726d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x726D 10212 bytes
SHA-256: 451e7398c2d1594fe04a29a765d3b498dd8b59f103ec717452d3045a175c2d7f

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