Malicious PDF — malware analysis report

Static analysis result for SHA-256 43141bb4497a74db…

MALICIOUS

PDF

47.2 KB Created: 2020-07-24 09:25:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e0fc6dada04c744949ac70a0deeb7344 SHA-1: 8a38e0f35a521d7371098ad8b38fa7d4a1c5cd02 SHA-256: 43141bb4497a74dbef360521c059bd5c301e97d56535d2efcf19263a070d2ac0
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. Additionally, it exhibits a PDF link farm, with numerous links hosted on Shopify. The ML classifier strongly indicates maliciousness. The primary attack pattern involves redirecting users to potentially harmful content through these 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.cc/pify?keyword=usda+colorado+hay+report In PDF document text
    • http://files.lyonsvolunteers.org/uploads/1/3/0/9/130969634/sorizuvako_zinul_movevesuj_sixituxivid.pdfIn PDF document text
    • http://files.myrainforestpets.com/uploads/1/3/2/7/132740700/e087a8.pdfIn PDF document text
    • http://files.journeyboundmusic.com/uploads/1/3/1/8/131856539/nirijuwoz_nofepu_nolex.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/1/0437/8758/3650/files/43664443159.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2992/1943/files/62905073400.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8170/3319/files/tofudobifexogejo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3309/1480/files/66428645005.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0789/1877/files/bosaneredululitupefuvezu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8669/1998/files/dotugomepi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9725/1235/files/85678712141.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8976/5276/files/nanukosidisaze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8917/4432/files/10430065117.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/fukisifufemedematexam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wuwikeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2697/0786/files/mutusaxidolam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3680/3233/files/31821577112.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 2

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_off00006fd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD7 4888 bytes
SHA-256: 193ace1837a9f1f091df657a897e072edf4100eb70b62e4b17bff850ff7342e5
font_01_sfnt_off0000808e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x808E 15144 bytes
SHA-256: d772cbed3c4c2e785b982062fd2805d4d19442e5852b09cc6a9cf70d42179266

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