Malicious PDF — malware analysis report

Static analysis result for SHA-256 a387a707498e98de…

MALICIOUS

PDF

199.6 KB Created: 2020-08-10 05:14:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45109bc9f3a488b61c35468681f429e5 SHA-1: d411efc32fa591c50a0c94b8f7a5310ac77a9606 SHA-256: a387a707498e98de026242fe31a1bfc25998733fe920c3863cd5b8223ba6f409
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL points to 'ttraff.cc', which is associated with malicious redirection. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. The file is a PDF, and the presence of embedded URLs suggests a social engineering attempt to trick the user into navigating to a harmful site.

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=review+of+clinical+anesthesia+pdf+download
    • http://devit.milesindustriesnz.com/uploads/1/3/1/4/131453574/fujatedo_setikudenikem.pdf
    • http://jidotekiw.brandynacole.com/uploads/1/3/0/7/130738732/rewixusudunazi-nisiti-fumebugu.pdf
    • http://files.ashleynewmanfitness.com/uploads/1/3/2/3/132303151/efc83b15bc.pdf
    • http://mudom.marccarmen.com/uploads/1/3/0/7/130740141/2896996.pdf
    • http://files.ellisonjazzmuseum.org/uploads/1/3/0/8/130874599/b53521816.pdf
    • https://cdn.shopify.com/s/files/1/0438/1802/5122/files/military_alphanumeric_code.pdf
    • https://cdn.shopify.com/s/files/1/0429/5265/5002/files/6948485958.pdf
    • https://cdn.shopify.com/s/files/1/0432/3390/2760/files/38415684297.pdf
    • https://cdn.shopify.com/s/files/1/0433/0595/9588/files/loweporeniwe.pdf
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/lanajoguxi.pdf
    • https://cdn.shopify.com/s/files/1/0433/4986/8712/files/dire_maul_west_guide.pdf
    • https://cdn.shopify.com/s/files/1/0429/7513/3859/files/21008019585.pdf
    • https://cdn.shopify.com/s/files/1/0435/5905/9615/files/56953727718.pdf
    • https://cdn.shopify.com/s/files/1/0435/1351/2100/files/vadiwapimobanet.pdf
    • https://cdn.shopify.com/s/files/1/0434/0187/1512/files/veriwixekobemekote.pdf
    • https://cdn.shopify.com/s/files/1/0429/9282/8579/files/repalegun.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_off0002cb41.bin
6ed44d14457d509a32d49909363dbb785d2d5bddb8b40bfa7e1d74a0d5da1b1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB41 5096 bytes
font_01_sfnt_off0002dca9.bin
2ecaa97828637ce1f00aeff56ec5d69a7458503028aab6021327da155276f5f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DCA9 11128 bytes
font_02_sfnt_off000301fe.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x301FE 4324 bytes

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