Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1458f06379d3e99…

MALICIOUS

PDF

247.1 KB Created: 2020-07-28 00:00:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ac3288c8b0f0f293d40723f4ce8dfe2 SHA-1: 8e9e269c2fd8dbe2cfca64b98cb9ee9c1b6b0d07 SHA-256: c1458f06379d3e99fde85f6d60ade8dc45c69cb775bfd88197e5c6faa4ae288d
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.cc/pify?keyword=block+diagram+of+cement+manufacturing+process+pdf, is a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure for a technical document, suggesting a social engineering tactic to entice users to click the malicious link.

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/pify?keyword=block+diagram+of+cement+manufacturing+process+pdf
    • http://files.melissarae-photography.com/uploads/1/3/2/7/132740399/6543342.pdf
    • http://files.copleyheritageday.org/uploads/1/3/2/8/132814552/2074538.pdf
    • http://files.bartsbullets.com/uploads/1/3/1/4/131409127/6334892.pdf
    • https://cdn.shopify.com/s/files/1/0437/9305/5906/files/77907192758.pdf
    • https://cdn.shopify.com/s/files/1/0428/7430/6727/files/91866178663.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/megosaburezomololisezad.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdf
    • https://cdn.shopify.com/s/files/1/0435/9222/0829/files/3826388121.pdf
    • https://cdn.shopify.com/s/files/1/0433/9240/1573/files/1273633397.pdf
    • https://cdn.shopify.com/s/files/1/0437/5802/6903/files/1810337889.pdf
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/gufafunozuviliz.pdf
    • https://cdn.shopify.com/s/files/1/0437/8984/4631/files/65589469922.pdf
    • https://cdn.shopify.com/s/files/1/0434/4669/8146/files/86358491464.pdf
    • https://cdn.shopify.com/s/files/1/0434/3457/3991/files/zibixolabel.pdf
    • https://cdn.shopify.com/s/files/1/0433/5419/4085/files/vuvolezavanij.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_off000389b4.bin
28618985e02a17377a239ed9227f7b217b6a36b1eee9463a5d22200396328ac0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x389B4 5472 bytes
font_01_sfnt_off00039c36.bin
d32643bb79ca2f51d6fb20fea6c7eecb5b683dfcc9c0602a997f9cf74ce9dab7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x39C36 16104 bytes

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