Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ff732506ee7c1bd…

MALICIOUS

PDF

52.9 KB Created: 2020-09-02 06:55:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66fb017319bc8459f542ac77b264ff24 SHA-1: 4e1545a6561299c22a304d2df105afa30be9a753 SHA-256: 2ff732506ee7c1bd146bbc308662420bbe2e57ea081aa80137958506687c8c28
68 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, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, includes the same malicious URL. The presence of a visual download button lure further supports a social engineering attack. The file is identified as a PDF, and the heuristics suggest it's designed to redirect users to malicious infrastructure.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.link/wix?keyword=responsive+email+signature+template+html
    • https://cdn.shopify.com/s/files/1/0432/2043/5112/files/44481245930.pdf
    • https://cdn.shopify.com/s/files/1/0429/5157/3657/files/84384423151.pdf
    • https://cdn.shopify.com/s/files/1/0438/8729/6680/files/occupational_health_and_safety_act_wall_chart.pdf
    • https://cdn.shopify.com/s/files/1/0435/8216/1053/files/mejememelameregabafiru.pdf
    • https://cdn.shopify.com/s/files/1/0433/5999/4014/files/nerebuligexibeboro.pdf
    • https://cdn.shopify.com/s/files/1/0436/5549/5833/files/bemekeriweduvaxeb.pdf
    • https://cdn.shopify.com/s/files/1/0427/5725/9420/files/8465691018.pdf
    • https://static.usrfiles.com/ugd/30e015_fe858b1f97764fcbbb50a2026d9b3982.pdf
    • https://static.usrfiles.com/ugd/b8c837_08eeb43d05254791a498f9333ada8f1e.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007c26.bin
b6625ebf80c99ac6b156b9f90b68a5d8f4ac8e0c17fceb34bca734fc9a4475de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C26 5184 bytes
font_01_sfnt_off00008d9f.bin
35a3f4056ec8580604d8e58e0821af122e210d34e80815e2d3aad9888e71013e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D9F 13412 bytes
font_02_sfnt_off0000b8c0.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB8C0 4324 bytes

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