Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a7bd644d2a15823…

MALICIOUS

PDF

48.8 KB Created: 2020-09-18 01:42:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7415944f63f77c389a63759adef70933 SHA-1: 9ccb0a1e98367666f55ebf777a05592ea07ca75a SHA-256: 3a7bd644d2a15823a9f59e5807b8d7eb9bb6392859146441f29860ec3a5c8cf5
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.link/wix?keyword=2018+ap+calc+ab+frq' is the primary indicator of malicious intent. While no scripts were extracted, the presence of this redirector strongly suggests the document is designed to lure users to a malicious site. The document body also contains this URL, reinforcing its role in the attack.

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.link/wix?keyword=2018+ap+calc+ab+frq
    • http://bomatolo.medcaredelivery.com/uploads/1/3/1/3/131398455/konodi-nedevozitalenos-lisos.pdf
    • http://famibof.bywayfinearts.com/uploads/1/3/0/7/130738568/lifopozopukosiweze.pdf
    • https://5afd468c-a90d-4bbf-9812-f929a0df6d05.filesusr.com/ugd/65e777_a157c679ba8843c3ba1c87685165ffb2.pdf?index=true
    • https://621ed028-8d0c-4474-b85b-c0db3a3f6acb.filesusr.com/ugd/1e533a_7c07dae8e608410aabb90b57ae09961c.pdf?index=true
    • https://6011fd22-15c4-41df-b61c-fd9c58e5566b.filesusr.com/ugd/95bb70_3dde24c5b32242b38a220c0b6ea8c41d.pdf?index=true
    • https://1570acfc-617c-4388-a547-1892b55f36f4.filesusr.com/ugd/7cefa9_0d0f1f9901d84fffa5097fc14ff91c6c.pdf?index=true
    • https://0bcf5a2d-de0c-4931-a8c3-7f8f63ea991c.filesusr.com/ugd/003b86_270a2cf42b424955a1b15d9efa50573c.pdf?index=true
    • https://817f9d10-21c7-4161-a087-226146526bca.filesusr.com/ugd/d93890_7567cc16c6634244bbadaa1d0d0a6d36.pdf?index=true
    • 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_off0000682b.bin
dc6334dd99453815eabdf4d58e7e219a0eef8e0a8cdb60ae82fe2e4a9c077b95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x682B 4848 bytes
font_01_sfnt_off0000789e.bin
66a1483ce9495c4ebec4bd1ed7031b16f4841b2b16e63557ee0d8f28100a2daa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x789E 15072 bytes
font_02_sfnt_off0000a780.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA780 4324 bytes

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