Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2a273b0ee64a001…

MALICIOUS

PDF

48.4 KB Created: 2020-08-23 03:40:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e9ff52b456070ca24b333fd5b0519c03 SHA-1: cae69d42e3fced9ac9a06f9637c2de07c6fe95ad SHA-256: e2a273b0ee64a00164b9112b4476acea0e286c3fc9206e4719c02ea2301176f0
194 Risk Score

Malware Insights

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

The PDF document contains a lure related to learning English, but its primary function is to redirect the user to a malicious URL hosted on ttraff.com. This is supported by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic firing. The PDF also contains a large number of external links, many pointing to Shopify domains, which is indicative of a link farm for SEO manipulation or distributing malicious content. The ML_NYX_PDF_MALICIOUS heuristic also strongly suggests 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=livre+pour+apprendre+l%2527+anglais+pdf In PDF document text
    • http://files.stambroseparchment.com/uploads/1/3/1/4/131482886/38f4029d2379b9f.pdfIn PDF document text
    • http://files.biddislifestyleweddings.com/uploads/1/3/1/4/131407823/688318.pdfIn PDF document text
    • http://files.nhddenver.org/uploads/1/3/0/8/130814106/10989fe2cce2.pdfIn PDF document text
    • http://munud.mmakhaolak.com/uploads/1/3/0/8/130874422/1919941.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/1/0432/0873/6928/files/rokunorovuwazorefonigari.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7767/2868/files/anna_karenina_full_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7399/3890/files/67216568393.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9516/9950/files/mekanisme_parestesia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/goxosilevenawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9258/8184/files/kolejawek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7451/9194/files/8216863717.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4958/1724/files/48157210667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7602/4475/files/52381788086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/8116/4950/files/carian_cole_torn_espaol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2892/9945/files/dopupobuvumewazikinofixur.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 6

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_off00007ad6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AD6 5244 bytes
SHA-256: ae13fead032f8f644a2be19d0be0c1bff30c11e1b97d0beeed2ce8914dc8ec0d
font_01_sfnt_off00008ccd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CCD 12240 bytes
SHA-256: 3bcda30e93cae8e0f35f8f56decfafa43d2ab9119474ddcdfe2faa9486bb9b0a

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