Malicious PDF — malware analysis report

Static analysis result for SHA-256 296bdfe162cfe38a…

MALICIOUS

PDF

32.1 KB Created: 2020-08-15 22:03:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 76057f7687b774a7bd2381b21cf98672 SHA-1: 049822a7ba67838d813a62ca0fccd613aeab6387 SHA-256: 296bdfe162cfe38a12c68d83e77d8ee53177a0d97b9358064848477d1989f8b2
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one prominently pointing to a known malicious redirector. The document body, though heavily obfuscated, also contains the URL 'https://ttraff.com/wb?keyword=identifying%20irony%20worksheet%202', suggesting a lure to a malicious site. The presence of a link farm heuristic further indicates an attempt to distribute malicious content through numerous external links.

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/wb?keyword=identifying%20irony%20worksheet%202 In PDF document text
    • http://fotofe.servdmelbourne.com/uploads/1/3/0/7/130776760/luwavutera.pdfIn PDF document text
    • http://files.sosdetail.com/uploads/1/3/1/4/131437724/8333707.pdfIn PDF document text
    • http://kexej.sciencefantastic.com/uploads/1/3/1/3/131381787/2528035.pdfIn PDF document text
    • http://files.saltydogtactical.com/uploads/1/3/1/8/131871605/76734089d599633.pdfIn PDF document text
    • http://gawowu.nushagakfurcompany.com/uploads/1/3/1/0/131070786/4427135.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/1/0438/9850/3336/files/21202623791.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4942/6839/files/apsrtc_pass_application.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8867/files/9549176649.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6450/6006/files/beginning_spanish_workbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1713/4499/files/kevisexigovawebelo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2703/7336/files/sagifijoxukanirip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8787/1646/files/rirezogunab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/marketing_innovation_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3093/6733/files/wubazokuzegitetalukek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9769/4109/files/16635817090.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3467/9208/files/flat_belly_diet_plan.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_off0000437f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x437F 5256 bytes
SHA-256: 19596336202b6ca9782574d60cb7932ef4dd99d4e180552cd6ea3fc5982f8fd2
font_01_sfnt_off00005576.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5576 8792 bytes
SHA-256: eb855d3a6ee0cf8e4178fde6e1486184f62481485fe62db51c7a052b7e0d7684

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