Malicious PDF — malware analysis report

Static analysis result for SHA-256 509a6d8e9a4a9c9c…

MALICIOUS

PDF

41.0 KB Created: 2020-08-23 12:08:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44cb8900fce58cf7bb1455e2c75388f6 SHA-1: 2fbaf14706aadbf8d910e4c0028c229f968a3c0b SHA-256: 509a6d8e9a4a9c9c3edf10555d6b6f93ad36af24ddc7f79d65ca7dac49d999cd
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=conveyor+belt+technical+data+sheet'. The document body, though heavily obfuscated, also contains this URL, suggesting the document's purpose is to trick the user into visiting this malicious site. No scripts were extracted from this sample.

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.ru/pify?keyword=conveyor+belt+technical+data+sheet
    • http://files.microcontractor.org/uploads/1/3/2/8/132814768/6613232.pdf
    • https://cdn.shopify.com/s/files/1/0435/0155/1771/files/49421814260.pdf
    • https://cdn.shopify.com/s/files/1/0430/6380/4058/files/zekapixur.pdf
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/38155157219.pdf
    • https://cdn.shopify.com/s/files/1/0428/8882/2950/files/get_input_python.pdf
    • https://cdn.shopify.com/s/files/1/0437/4816/3733/files/zikijabolopu.pdf
    • https://cdn.shopify.com/s/files/1/0434/7727/0692/files/as_time_goes_by_piano.pdf
    • https://cdn.shopify.com/s/files/1/0437/8584/6933/files/12405941410.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_off00006356.bin
ef15d03c7b4b9fbd15919bbb6b1f035ca15cd6592a7a27cb8d58ed71087af7bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6356 5232 bytes
font_01_sfnt_off00007519.bin
babdd2fdaf56f37f7fd35981fda329fb69092aa32ac81fa3089936ac8b7bb157		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7519 10164 bytes

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