Malicious PDF — malware analysis report

Static analysis result for SHA-256 89e1bd3cbcb4cff5…

MALICIOUS

PDF

99.5 KB Created: 2020-08-05 08:50:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bc9c95eb33a47a7683d32044ca114cac SHA-1: e6b7ac247eba3bb72a43fc1b483a82c9bca81958 SHA-256: 89e1bd3cbcb4cff57552ccfc7e5e08b35c08e1e437a12687575efd1fa3fa8bbe
194 Risk Score

Malware Insights

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

The PDF was flagged as malicious due to a critical heuristic identifying a redirector link to 'ttraff.com'. This indicates the document's primary purpose is to redirect users to a potentially harmful site. The presence of numerous embedded links, many pointing to Shopify domains, suggests an attempt to obscure the final destination or leverage legitimate platforms for hosting malicious content. The ML classifier also strongly indicated maliciousness.

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=in+search+of+lost+time+pdf+free In PDF document text
    • http://files.cunninghamgermanshepherds.com/uploads/1/3/1/6/131637679/dojunuz.pdfIn PDF document text
    • http://files.emmanuelch.org/uploads/1/3/1/1/131164520/4fa18f.pdfIn PDF document text
    • http://files.thelafs.com/uploads/1/3/2/8/132815979/wetotosi.pdfIn PDF document text
    • http://butirox.amandaxelas.com/uploads/1/3/0/7/130739678/kazavefus-fizusibug-jekiz.pdfIn PDF document text
    • http://files.stnectariosgeorgegoc.com/uploads/1/3/1/4/131406412/kalibilorobiva.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/1/0429/1097/4111/files/fitatesufovenoti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4988/6620/files/xekewudiwepatonazabole.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3857/1670/files/44112558236.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1988/7001/files/sobugupanageg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7687/7478/files/asus_crashfree_bios_3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1825/5510/files/30609779759.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2865/9869/files/jarujulodetetipif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4101/2374/files/febowigonox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/metiliwetizo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7113/6154/files/mifafukowofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9140/2660/files/organic_chemistry_11th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9219/5993/files/different_types_of_cells_in_biology.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_off00014be4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14BE4 5332 bytes
SHA-256: 280adb0ca71c709f7b88326e56f18a5d90fc2307f81cbba61c3dae34488ef6b5
font_01_sfnt_off00015ddc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15DDC 10152 bytes
SHA-256: f5c8abef1164f86cb52afa4ed34aaf9cc2ee014a5c587844c9a5e6a37cd49c6b

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