Malicious PDF — malware analysis report

Static analysis result for SHA-256 201d33ce31b531b0…

MALICIOUS

PDF

84.6 KB Created: 2020-08-25 03:39:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 71d9a412387f6fb74e4946718b5c1915 SHA-1: 664aa25157daf48b73ec315d0294ed82fc5bd27a SHA-256: 201d33ce31b531b07dc1aaf839652844818448664bc5cd64db3d96f427b5a49e
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a malicious redirector. The primary malicious URL identified is https://ttraff.cc/pify?keyword=bedouin+music+free. While no scripts were extracted, the structure suggests a lure to drive traffic to malicious infrastructure, likely for further exploitation or phishing.

Heuristics 3

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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=bedouin+music+free
    • http://files.sp-lth.org/uploads/1/3/1/1/131163635/c8aacdfa167d062.pdf
    • https://cdn.shopify.com/s/files/1/0429/5308/0991/files/pejiwabenefa.pdf
    • https://cdn.shopify.com/s/files/1/0440/1161/8462/files/difference_between_ip_camera_and_analog_camera.pdf
    • https://cdn.shopify.com/s/files/1/0430/5115/5618/files/23176584599.pdf
    • https://cdn.shopify.com/s/files/1/0432/9757/0980/files/23208163285.pdf
    • https://cdn.shopify.com/s/files/1/0435/9821/7378/files/45352109921.pdf
    • https://cdn.shopify.com/s/files/1/0432/8649/5396/files/22830619664.pdf
    • https://cdn.shopify.com/s/files/1/0433/5045/8526/files/tesis_de_estadistica_descriptiva.pdf
    • https://cdn.shopify.com/s/files/1/0429/9925/1093/files/12008071528.pdf
    • https://cdn.shopify.com/s/files/1/0434/5652/8541/files/bharat_gas_new_connection_delhi_form_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/8411/8171/files/nezigususorika.pdf
    • https://cdn.shopify.com/s/files/1/0433/8086/7235/files/differentiation_of_inverse_trigonometric_functions_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0430/7959/8229/files/lanafe.pdf
    • https://cdn.shopify.com/s/files/1/0433/0848/2710/files/41605091881.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_off0000ef87.bin
1563f9fd157cc5a390686cb3eb28b2f001b7d07981181e9e9857a2d104b2aef3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEF87 4976 bytes
font_01_sfnt_off00010056.bin
61eaf32e5fb4cc2e2894d3b7c2c8de24bd69ba4586a38ce1747029fb694c0bc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10056 13184 bytes
font_02_sfnt_off000129f0.bin
78d3a41275c575210a4c8f11de17c267508b230926915076bd3ea06be4a3b3d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x129F0 18008 bytes

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