Malicious PDF — malware analysis report

Static analysis result for SHA-256 75e775e8de9690bf…

MALICIOUS

PDF

46.9 KB Created: 2020-08-19 00:03:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 31c0d328b45d332392fff9bafaa1b490 SHA-1: 0875375dc9446195afb78626270ace747aad6ddb SHA-256: 75e775e8de9690bf3f43be0d75f3c34f28edd424ffd1923bef2af6e9747bfbda
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a link disguised as a financial document, which redirects to a malicious domain (ttraff.com). This is a common social engineering tactic to trick users into visiting malicious sites, likely for phishing or to download further malware. The presence of numerous links to other PDFs, some hosted on potentially compromised Shopify domains, suggests a link farm or SEO manipulation to increase visibility. The ML classifier strongly indicates maliciousness.

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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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=hedging+finance+pdf In PDF document text
    • http://tekodire.assertion-evidence.com/uploads/1/3/0/7/130738993/5273141.pdfIn PDF document text
    • http://files.paraglidinginkorea.com/uploads/1/3/1/8/131857112/87b4e6264a60805.pdfIn PDF document text
    • http://lebizaj.atcoflex.com/uploads/1/3/1/4/131453109/denudaraginasefut.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/1/0428/9835/8432/files/zekimopesafirizaxos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8080/1701/files/zitiwitove.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4343/0305/files/entropy_meaning_information_theory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3990/6209/files/82415258282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/8601/5640/files/amazing_grace_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/9524/9316/files/70012979786.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6622/8898/files/naxigofu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/45078940457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0026/5878/files/occupational_health_and_safety_act_1984.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0828/4056/files/longman_academic_reading_series_2_teacher_s_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5427/5479/files/39321779631.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 4

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_off00006c3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C3C 4980 bytes
SHA-256: 6d86adb94ca8e3791bb49f19373bcfda40f973a28046f6b16e60e4adea3e6986
font_01_sfnt_off00007d43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D43 16092 bytes
SHA-256: 14ac74f0123fc7718fae096a500c68670e63e5b694a449ce73fc293ca25738ad

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