Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5d097df11f522a9…

MALICIOUS

PDF

47.5 KB Created: 2020-08-20 05:04:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 419954d955a30f24ea7f228ae7b6fced SHA-1: 09571e442a1e1ecb7c757c09a2ee25170280b19a SHA-256: d5d097df11f522a94cb4b99f7d8bc6ffd3fa0d2bef36fe3681a219fd4de1dc6e
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which are designed to appear as legitimate documents hosted on shopify.com, but ultimately redirect to a known malicious domain (ttraff.com). This technique is commonly used for SEO poisoning or to distribute malware indirectly. The presence of a malicious redirector link and the sheer volume of outbound links strongly suggest a malicious intent to drive traffic to harmful sites.

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.com/pify?keyword=bilaminar+disc+formation
    • http://kegolo.tuvalucoffeehouse.com/uploads/1/3/1/4/131453133/daxenobijibam-gazanawamib-lajuro.pdf
    • http://files.michaellevkoffphotography.com/uploads/1/3/1/4/131453651/334991f.pdf
    • http://files.barrabahistory.com/uploads/1/3/1/4/131437531/6619511.pdf
    • http://kijej.davidhunterbishop.com/uploads/1/3/1/0/131070786/xepigexagijito.pdf
    • https://cdn.shopify.com/s/files/1/0438/2880/5789/files/can_i_report_an_inactive_instagram_account.pdf
    • https://cdn.shopify.com/s/files/1/0427/5725/9420/files/walt_disney_world_transportation_map.pdf
    • https://cdn.shopify.com/s/files/1/0437/6769/3474/files/35336484093.pdf
    • https://cdn.shopify.com/s/files/1/0432/2135/2606/files/97728429652.pdf
    • https://cdn.shopify.com/s/files/1/0433/2060/6885/files/aha_guidelines_for_management_of_obesity.pdf
    • https://cdn.shopify.com/s/files/1/0432/2931/5239/files/24684120278.pdf
    • https://cdn.shopify.com/s/files/1/0432/4065/2960/files/suwidej.pdf
    • https://cdn.shopify.com/s/files/1/0431/5889/6802/files/48106880729.pdf
    • https://cdn.shopify.com/s/files/1/0430/0318/3258/files/palayathu_amman_tamil_audio_songs_free.pdf
    • https://cdn.shopify.com/s/files/1/0435/0866/2440/files/muxato.pdf
    • https://cdn.shopify.com/s/files/1/0437/7106/8577/files/ikea_kitchen_cabinet_sizes_uk.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_off000070b7.bin
e68bdd9cf18fc4e9cf689b659adb4c532fc2a5fc9518f7032c91962b12dab174		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70B7 5216 bytes
font_01_sfnt_off00008249.bin
02e3d1043eab9e8d3aa56cebdd22204cce92878e909a8dcb08724cf8f0f420db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8249 14008 bytes

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