Malicious PDF — malware analysis report

Static analysis result for SHA-256 25d4a3975ba5abab…

MALICIOUS

PDF

65.3 KB Created: 2020-08-31 01:57:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7286e2394a69926e4b6f3d345ddbe2bd SHA-1: 69f0aa8e46ba6bfb3010aa2c9a85c81c6537362e SHA-256: 25d4a3975ba5ababed8e1e49463e98c9cacf9229b94df9c178ee0e5f5d0bf75f
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is disguised with a keyword related to 'swtor armor mods'. The file also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDFs. The primary malicious activity observed is the redirection to the malicious URL, likely as a lure for further compromise.

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/wix?keyword=swtor+armor+mods
    • https://static.usrfiles.com/ugd/b8c837_718876c15f274ad88df9655502768e4d.pdf
    • https://static.usrfiles.com/ugd/83b1b3_8c775538784641a5902cad29dc805ff2.pdf
    • https://static.usrfiles.com/ugd/b8c837_a52c3384528c42f8ad4560c85f05aa5e.pdf
    • https://static.usrfiles.com/ugd/cb5dea_8b0cdda5fd3b44289c13fcd0c29cdd78.pdf
    • https://static.usrfiles.com/ugd/0ebc1f_95ffb7ffc049417ea5d1c015d032b8d7.pdf
    • https://cdn.shopify.com/s/files/1/0431/5794/6519/files/90436414909.pdf
    • https://cdn.shopify.com/s/files/1/0466/4220/0741/files/filmic_pro_cracked_ipa.pdf
    • https://cdn.shopify.com/s/files/1/0434/0210/0899/files/simisobitagigal.pdf
    • https://cdn.shopify.com/s/files/1/0439/1708/2792/files/11455273251.pdf
    • https://cdn.shopify.com/s/files/1/0444/5303/6199/files/fooled_around_and_fell_in_love_piano_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0431/0728/7206/files/98829812449.pdf
    • https://cdn.shopify.com/s/files/1/0432/8531/5744/files/zukeradak.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ferenap.pdf
    • https://cdn.shopify.com/s/files/1/0433/4950/8250/files/marshall_cavendish_children_s_books_submission_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0431/3343/6066/files/poriviwezadupopo.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_off0000b6bc.bin
a2da1c537f69f8926629c5798ac72b2e6752af9f4f7740c529556830d8465e10		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB6BC 4648 bytes
font_01_sfnt_off0000c67c.bin
d825e8251718966a66b99ab4aa6b5afd6291e2e2a4e400a571e418fb0f55ae5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC67C 10504 bytes
font_02_sfnt_off0000ea2c.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEA2C 4324 bytes

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