Malicious PDF — malware analysis report

Static analysis result for SHA-256 ade6b131b521984a…

MALICIOUS

PDF

48.9 KB Created: 2020-09-11 10:08:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d43cce48bae3b391acecf3787e67eff SHA-1: 1527a27187dad63f9739efa02813c118e7883401 SHA-256: ade6b131b521984aac14a0a9a43ccfe16b12a4d5a01f2196bb9ab2b1543d239f
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.club'. The document body, though heavily obfuscated, appears to contain the same malicious URL. The presence of numerous external links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate destination. The primary attack vector is likely a phishing lure, directing users to a malicious site.

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.club/wix?keyword=international+business+report+de+grant+thornton
    • http://nuzozug.jeanniearomea.com/uploads/1/3/2/6/132695990/445687.pdf
    • http://nazal.gwe-design.com/uploads/1/3/1/3/131380942/jugarewozuka.pdf
    • https://cdn.shopify.com/s/files/1/0445/4170/6404/files/16120206509.pdf
    • https://cdn.shopify.com/s/files/1/0459/6691/7792/files/76755137317.pdf
    • https://cdn.shopify.com/s/files/1/0429/0641/9367/files/was_bedeutet_sprudelnde_Persnlichke.pdf
    • https://cdn.shopify.com/s/files/1/0437/0658/1147/files/divowotutisiwuzovemavefu.pdf
    • https://cdn.shopify.com/s/files/1/0438/2290/7549/files/14558164278.pdf
    • https://cdn.shopify.com/s/files/1/0433/3309/1480/files/45377297582.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_off000080e9.bin
617168ff590126e77c672d3513ef145ac2285e9447769a9c13448789cbf148d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80E9 5296 bytes
font_01_sfnt_off000092d2.bin
efac680b4ed9f926acea21f133c5fe8b02883f6c1f19553f2cb810b63cc67545		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92D2 10628 bytes

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