Malicious PDF — malware analysis report

Static analysis result for SHA-256 26cbcfe01075d410…

MALICIOUS

PDF

69.3 KB Created: 2020-08-29 22:46:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0449389f4ced66f4fb13c97f13f46535 SHA-1: f3139d1661b14936892a2a133d56d0868e13bdee SHA-256: 26cbcfe01075d410f0449dc053a04d2869b32dcaf366e4785430be103474b4c9
150 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link pointing to 'ttraff.com', disguised with a search query related to quality management. This indicates a phishing or scam attempt. The PDF structure and embedded link strongly suggest a social engineering attack aimed at redirecting users to a malicious website.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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/wix?keyword=quality+management+for+organizational+excellence+pdf
    • https://cdn.shopify.com/s/files/1/0429/9220/5978/files/disus.pdf
    • https://cdn.shopify.com/s/files/1/0431/4021/9047/files/double_column_cash_book_template_in_excel.pdf
    • https://cdn.shopify.com/s/files/1/0441/2299/6888/files/13612913588.pdf
    • https://static.usrfiles.com/ugd/8acad3_a43f8bd87b954dffbf21e0927e20cdeb.pdf
    • https://static.usrfiles.com/ugd/238140_ba01783cb764422ba9299c854d513dc8.pdf
    • https://static.usrfiles.com/ugd/b8c837_47e9a429be1e4763a90f3b4f09320ff2.pdf
    • https://static.usrfiles.com/ugd/b8c837_7ad9077bb1ae479a94ef372cc60da741.pdf
    • https://static.usrfiles.com/ugd/238140_3c6032c7b3a24fa2a4791bf72c16d29e.pdf
    • https://cdn.shopify.com/s/files/1/0432/5831/4912/files/sulesolanilulogiwizefa.pdf
    • https://cdn.shopify.com/s/files/1/0431/7157/8024/files/delugesitowewalu.pdf
    • https://cdn.shopify.com/s/files/1/0437/8171/8167/files/baltasar_gracian_obras_completas.pdf
    • https://cdn.shopify.com/s/files/1/0430/4555/2277/files/99304478678.pdf
    • https://cdn.shopify.com/s/files/1/0429/7742/7609/files/niporunevi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/79265304831.pdf
    • https://cdn.shopify.com/s/files/1/0429/5960/1830/files/sesozetanekobez.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d135.bin
3d731f4d00f8f207d19d3dcec02877f500be99bee6abe105b600dad3322cd442		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD135 5580 bytes
font_01_sfnt_off0000e431.bin
30abad19f4b07c617c87006b6eb8bf28989794678dcf1c118c674088737c478d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE431 10484 bytes

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