Malicious PDF — malware analysis report

Static analysis result for SHA-256 b167192ee75a8195…

MALICIOUS

PDF

52.7 KB Created: 2020-08-24 03:01:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 041f3fc25a73a3e63db69e3d8524c58b SHA-1: ee34fa7072ce7d866628e2853d6e7f164f6dda8c SHA-256: b167192ee75a81957173018792ea370ced9b69287a218de043ddebf248defd3c
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for containing a link to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL, https://ttraff.com/pify?keyword=agr%25C3%25A9gation+definition+informatique, is the primary indicator of compromise, suggesting a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 2

  • 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.
  • 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=agr%25C3%25A9gation+definition+informatique
    • http://files.yourlovespells.com/uploads/1/3/1/1/131164475/wavilasovugebokabezo.pdf
    • http://teneworen.vargislab.com/uploads/1/3/2/3/132303035/70a5e79745a.pdf
    • https://cdn.shopify.com/s/files/1/0431/4998/3901/files/80215748396.pdf
    • https://cdn.shopify.com/s/files/1/0437/8427/4081/files/65913423203.pdf
    • https://cdn.shopify.com/s/files/1/0431/0568/1562/files/lokugixosazefa.pdf
    • https://cdn.shopify.com/s/files/1/0432/8200/6174/files/excel_workbook_templates_free.pdf
    • https://cdn.shopify.com/s/files/1/0428/8158/1209/files/zibuxukasigi.pdf
    • https://cdn.shopify.com/s/files/1/0434/6393/4109/files/nlt_parallel_study_bible.pdf
    • https://cdn.shopify.com/s/files/1/0429/1805/1996/files/funny_loading_messages.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_off00008bf1.bin
4d4c8306ef7f27e3d3975d4dccfa4edc6d5bb165024297af401378b63aeb13c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BF1 5276 bytes
font_01_sfnt_off00009d79.bin
b46e38f314371095b57ac764ac9e58199f1b3d3d5556bf5876e9604a7e7508c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9D79 12532 bytes

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