Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e4686911d187e59…

MALICIOUS

PDF

56.4 KB Created: 2020-08-19 02:19:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 079e40d891358ae0d7ce7f35bbec63bc SHA-1: f0c5ea01b54e4852bdd7a6c3981ecfd3e2cee350 SHA-256: 7e4686911d187e59430d02552f552f366931f0315f384a54ea1838b1e751ccdc
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body itself contains a URL pointing to `ttraff.com`, which is flagged as a malicious redirector. This suggests the document is designed to lead users to malicious sites, likely for phishing or to download further malware. No scripts were extracted, but the presence of numerous links and the redirector heuristic strongly indicate a malicious intent.

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=spring+resttemplate+post+application_form_urlencoded In PDF document text
    • http://files.gaindetalks.com/uploads/1/3/0/8/130874629/dojoja-kefuzegomoli-wadab.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/1/0430/5967/5293/files/woreweka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8525/0216/files/79599042733.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7173/3917/files/6063631331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/80048864296.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3018/4098/files/67080651386.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5618/4992/files/mw3_hack_xbox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96617946950.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1899/3307/files/1463637924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4654/1211/files/danumepukixipukukoxud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4715/7914/files/cdf_from_calculator.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 8

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_off00009262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9262 5608 bytes
SHA-256: 11f8bf55fa9e0e31f0526a01939cefd3f132331dbe0bffb7251cf0117b9c17c3
font_01_sfnt_off0000a564.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA564 14928 bytes
SHA-256: 3c6b88ef66629f1225a3a2cf99bfece5d65cd2a4453a57de31416073e8105c5e

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