Malicious PDF — malware analysis report

Static analysis result for SHA-256 c466952ad736dc8b…

MALICIOUS

PDF

42.1 KB Created: 2020-08-12 03:17:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3fc5614e0e48dc266e04c0013e216699 SHA-1: c981e484c0d58af2e097136ae29e0c9a72c02fb7 SHA-256: c466952ad736dc8be310d129913dd3d93a3fe4f71b35ee97f0bc22ef94e4b7db
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a document about 'botulismo en perros pdf'. The document also contains a large number of external PDF links, many hosted on Shopify, which is characteristic of SEO link farm abuse. The primary malicious URL is https://ttraff.com/pify?keyword=botulismo+en+perros+pdf, which likely serves as a lure to a more dangerous payload.

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=botulismo+en+perros+pdf
    • http://tazofefe.averagejoesraam.com/uploads/1/3/1/3/131383309/432c3913283.pdf
    • http://files.fillmorepaws.com/uploads/1/3/1/3/131380469/fipanawulekadinisaxo.pdf
    • http://tases.aerikvondenburg.com/uploads/1/3/1/6/131636725/1cc387b.pdf
    • http://files.azureskygifts.com/uploads/1/3/1/4/131438423/gapakufejobafal.pdf
    • http://kabuj.clearcreekbands.com/uploads/1/3/0/7/130776436/7f89d5.pdf
    • https://cdn.shopify.com/s/files/1/0432/8757/6740/files/78858533755.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vawis.pdf
    • https://cdn.shopify.com/s/files/1/0429/1841/2451/files/improved_automatic_ironsight_animations.pdf
    • https://cdn.shopify.com/s/files/1/0430/9814/4932/files/21685064635.pdf
    • https://cdn.shopify.com/s/files/1/0428/8276/0870/files/gazesirusokevimuxupidiz.pdf
    • https://cdn.shopify.com/s/files/1/0429/6690/9081/files/gmat_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0434/8405/3669/files/zogetifuwonuw.pdf
    • https://cdn.shopify.com/s/files/1/0432/6948/8798/files/2_digit_addition_with_regrouping_worksheets_2nd_grade.pdf
    • https://cdn.shopify.com/s/files/1/0439/4074/1275/files/tibujur.pdf
    • https://cdn.shopify.com/s/files/1/0437/4459/2021/files/34446216484.pdf
    • https://cdn.shopify.com/s/files/1/0430/7684/5728/files/adventure_of_a_lifetime_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0430/8451/3429/files/39810182065.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_off0000663d.bin
891c66bde823f3bb371d3bdd633a55fbde702eaaa3988557f149244988fc3898		 pdf-font-stream PDF embedded font (sfnt) at offset 0x663D 5024 bytes
font_01_sfnt_off00007740.bin
b421fe2fc21c8723d1a55ee72704f473552235181da896dd1db21f80272410f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7740 10516 bytes

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