Malicious PDF — malware analysis report

Static analysis result for SHA-256 f42d168bed34e83a…

MALICIOUS

PDF

49.0 KB Created: 2020-08-24 00:49:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 671e3ceb0ed99448bdd4df453c5a09ff SHA-1: 2e5db9e1aed40287085a40e8af86f40a8b82900f SHA-256: f42d168bed34e83a468018d25308d6d122f9a53c342897691ef8dea313cc0c59
202 Risk Score

Malware Insights

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

This PDF sample contains numerous embedded links, many pointing to a redirector service (ttraff.com) known for malicious activity. The document body, though partially corrupted, suggests a lure related to 'character sheet template online' and includes urgency language. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the ultimate destination and potentially distribute malware or conduct phishing. No scripts were extracted, but the primary attack vector appears to be social engineering via malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=character+sheet+template+online In PDF document text
    • http://files.josephdeansdesign.com/uploads/1/3/1/3/131380495/4379039.pdfIn PDF document text
    • http://files.niavanabelgians.com/uploads/1/3/0/7/130775698/duxuzupiwog.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/1/0433/7162/6659/files/vikekupewusupejimov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0874/3834/files/walmart_donation_request_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9983/1968/files/polasetuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2668/5858/files/tisudawiliwovaxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedapefe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1624/1831/files/can_blockchain_revolutionize_the_supply_chain.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1540/5725/files/54144269249.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3883/3816/files/xuvosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0979/1384/files/apache_hive_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9381/9541/files/20545759028.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4389/4934/files/90933878407.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6158/2741/files/descargar_temario_administrativo_del_estado_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7670/4669/files/acca_f5_past_papers_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3538/4225/files/10730523104.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000081e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81E4 5076 bytes
SHA-256: c99183f3e91714be5d9675a316091e8177095bda1e17514325c037d866a443be
font_01_sfnt_off000092ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92FF 10516 bytes
SHA-256: a7170b616dff0a62ec6235b66e171f4e67f994e3b9a18d980df961b5cf95ffc4