Malicious PDF — malware analysis report

Static analysis result for SHA-256 929ea970b5b9524f…

MALICIOUS

PDF

50.8 KB Created: 2020-09-01 00:18:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 93728973f58e906d4561bf0d43cb4f89 SHA-1: b43de10638c121fb3b48f4017ae45174751073dc SHA-256: 929ea970b5b9524fdf5d9481a4b7228002fb49ecfee6392d9876ddf33773dcb4
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.cc/wix?keyword=bronze+sheet+metal+thickness, is the primary indicator of malicious intent. This URL is likely used to lure the user to a site that hosts further malicious content or phishing pages. No scripts were extracted, but the presence of the malicious URL strongly suggests a delivery mechanism for a subsequent stage.

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.cc/wix?keyword=bronze+sheet+metal+thickness
    • https://cdn.shopify.com/s/files/1/0431/2973/3282/files/bazawaruguferidabamax.pdf
    • https://cdn.shopify.com/s/files/1/0432/2869/2643/files/tofexabojowe.pdf
    • https://cdn.shopify.com/s/files/1/0431/6263/2360/files/bolarotuzos.pdf
    • https://cdn.shopify.com/s/files/1/0429/0409/2839/files/performance_appraisal_meaning_in_malayalam.pdf
    • https://static.usrfiles.com/ugd/de60da_b1f67edc6bd5492183250e5153454ca3.pdf
    • https://static.usrfiles.com/ugd/895bef_b11afe780f514ed4ac8f9af0c4511a54.pdf
    • https://static.usrfiles.com/ugd/ca300b_d99a3731706a423ab0bfbe1974ea8d30.pdf
    • https://static.usrfiles.com/ugd/9e53d4_d0ec9807674545c58e0573800a0393cb.pdf
    • https://static.usrfiles.com/ugd/b8c837_1c52407394504aaeba3a17284267aed0.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_off00006706.bin
71146a72a9a9e6a0785d5b04075f08d906464ed072129bc4acc29c5ecd219331		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6706 5200 bytes
font_01_sfnt_off0000788f.bin
2e73382e16ad95c10149207020548adc5e27b5a40a3947e9373583a01e91c046		 pdf-font-stream PDF embedded font (sfnt) at offset 0x788F 15756 bytes
font_02_sfnt_off0000a9b3.bin
43e84046d57c5d8edad47de9228ce36feb53c5e515436c294a71041590f3a3a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA9B3 16132 bytes

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