Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ee8439f9a8d09c8…

MALICIOUS

PDF

40.2 KB Created: 2020-08-20 12:57:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5320c0b1ba8a58114995a11bf1757921 SHA-1: 00da5b83e24a9aa56a93e5fa887cedae583139d7 SHA-256: 0ee8439f9a8d09c85113b4b5b0e80e2fa705124d6d0549bc2c3bd7d9db0d6400
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service (ttraff.cc) that is flagged as malicious. The document body text, though partially obfuscated, includes the same redirector URL and several Shopify URLs, suggesting a link farm or SEO manipulation tactic to disguise malicious intent. The ML classifier also strongly indicated maliciousness, supporting the conclusion that this PDF is designed to lead users to harmful 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.cc/pify?keyword=martin+fowler+enterprise+integration+patterns+pdf In PDF document text
    • http://tazaz.frecklefaceboutiques.com/uploads/1/3/2/7/132740930/5830071.pdfIn PDF document text
    • http://files.retrogunx.com/uploads/1/3/2/6/132680931/todewenexa-gutefokamofiba-kujidadejalor.pdfIn PDF document text
    • http://wawutebi.alightoftruth.com/uploads/1/3/1/3/131380005/9437776.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/1/0434/6059/1776/files/classroom_based_action_research.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9505/5766/files/pakijini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/8750/8135/files/muvirivonat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2351/6323/files/95544046342.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9944/6693/files/97379233482.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6533/5190/files/abiotic_vs_biotic_factors_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1594/6911/files/protocolo_arp_y_rarp.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1767/4656/files/aquelarre_juego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/2.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 2

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_off00005fb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB8 5304 bytes
SHA-256: 3b2989d4a3e4a8b8cd7af050ba57e7c1b65d4f34abda6593a60cb9324bf3b14c
font_01_sfnt_off000071eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71EB 9896 bytes
SHA-256: f5de4eff960860cbf0b538f3e7454697b8e280658ace9991faa72ed0ab6a76ef

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