Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b5486a43a42fa1b…

MALICIOUS

PDF

45.1 KB Created: 2020-08-30 21:07:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 762aa3a12ed6b95eddc02d6c8dede5af SHA-1: 56bf676223cf1f9f209173f5415f00bdf2f6f672 SHA-256: 2b5486a43a42fa1be02dfd68008bc59619e9cc9ba6b2dc65d2162778840f3bda
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=metallica+nothing+else+matters+intro'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect the user to this malicious site. The file also exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to benign content on cdn.shopify.com, likely as a camouflage or SEO manipulation tactic.

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/wix?keyword=metallica+nothing+else+matters+intro
    • https://static.usrfiles.com/ugd/b8c837_48dc53febf4446e7a5fe830090f0ea75.pdf
    • https://static.usrfiles.com/ugd/b8c837_794924bd2501441fa6219088ae1e30bc.pdf
    • https://static.usrfiles.com/ugd/4bb894_e768c6deeb734570af01af9d03376f17.pdf
    • https://static.usrfiles.com/ugd/565485_4200357720c049a49d2d156d1d37d0f0.pdf
    • https://cdn.shopify.com/s/files/1/0431/0502/6199/files/enteral_feeding_guidelines_daa.pdf
    • https://cdn.shopify.com/s/files/1/0429/8339/1395/files/what_is_a_manual_camera.pdf
    • https://cdn.shopify.com/s/files/1/0463/0400/2210/files/ao_haru_ride_live_action_full_movie_sub_indo.pdf
    • https://cdn.shopify.com/s/files/1/0436/6296/6937/files/1877086051.pdf
    • https://cdn.shopify.com/s/files/1/0429/8991/2218/files/79605200985.pdf
    • https://cdn.shopify.com/s/files/1/0428/0241/3735/files/define_adversely_affects_educational_performance.pdf
    • https://cdn.shopify.com/s/files/1/0432/6686/7364/files/3d_touch_android_mobile.pdf
    • https://cdn.shopify.com/s/files/1/0437/9102/4280/files/vezopawukip.pdf
    • https://cdn.shopify.com/s/files/1/0449/1591/6967/files/77691330591.pdf
    • https://static.usrfiles.com/ugd/b8c837_99708c189bd14f61846832929278c864.pdf
    • https://static.usrfiles.com/ugd/e3ff21_d98ae9ce05de425bb57a73b8eaff5bb4.pdf
    • https://static.usrfiles.com/ugd/b8c837_44e0ba3334f64d47beeeb561eed61a33.pdf
    • https://static.usrfiles.com/ugd/fb83f1_b89b8aa950a64c619e6374801913065f.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/
    • https://cdn.shopify.com/s/files/1/0449/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000604e.bin
de231e408c42940697959f4e43001103002e29b06bfc81988672ab65f9ea7b1a
pdf-font-stream PDF embedded font (sfnt) at offset 0x604E 5008 bytes
font_01_sfnt_off00007120.bin
756c5724f50b04cac0289bd0ccd58ab4a935a3363dc3b60652eb701e52799200
pdf-font-stream PDF embedded font (sfnt) at offset 0x7120 12768 bytes
font_02_sfnt_off00009911.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230
pdf-font-stream PDF embedded font (sfnt) at offset 0x9911 4324 bytes