Malicious PDF — malware analysis report

Static analysis result for SHA-256 98cfba04811abb09…

MALICIOUS

PDF

79.3 KB Created: 2020-08-21 00:00:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3b561414ed31f5ab511aaa37a1bfd956 SHA-1: c58f81c89ca11d1b304e75ccc4b396cdb70d8768 SHA-256: 98cfba04811abb09a9d10068635be05210b9718d07de270ca0eb71b34872044c
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Idacorp sustainability report', suggesting a lure. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the presence of a link to malicious infrastructure, and 'PDF_SEO_LINK_FARM' indicates a large number of external links, likely for SEO manipulation or to host further malicious content.

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=idacorp+sustainability+report
    • http://files.hurstfilms.com/uploads/1/3/1/6/131636762/8400098.pdf
    • http://files.sandiegosuzukiinstitute.com/uploads/1/3/2/8/132814306/zizutigi-memitirij-petakubabati.pdf
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/dozapokum.pdf
    • https://cdn.shopify.com/s/files/1/0428/1293/2255/files/bilobitoxowoxi.pdf
    • https://cdn.shopify.com/s/files/1/0432/1230/8637/files/difference_between_active_directory_and_domain_controller.pdf
    • https://cdn.shopify.com/s/files/1/0435/5375/1189/files/create_book_mockup_template.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/8529439237.pdf
    • https://cdn.shopify.com/s/files/1/0431/9156/6493/files/lajituduzolowutamum.pdf
    • https://cdn.shopify.com/s/files/1/0431/6063/3504/files/the_rise_of_nationalism_in_europe_notes_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/3847/4397/files/bachon_ki_kahani_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/0157/6604/files/59365207458.pdf
    • https://cdn.shopify.com/s/files/1/0430/5253/1869/files/brand_new_swag_song_pagalworld.pdf
    • https://cdn.shopify.com/s/files/1/0434/2333/4565/files/8763863273.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_off0000eee6.bin
e52b49779cc6c8aeccb4a7a1a07a78f7a4c8411690df4d525c99efc05336acae		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEEE6 5244 bytes
font_01_sfnt_off000100c0.bin
cea0e7925b511ba9a3aaeb13a23b588480b2daa29b1cf014edfa5129120f75df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x100C0 15364 bytes

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