Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbab3016e8a30ef2…

MALICIOUS

PDF

45.6 KB Created: 2020-08-31 10:27:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 56b049b3f96301f4c8772badc0011597 SHA-1: dcdc106f7621a950a43c95abecd08c303000ae4d SHA-256: fbab3016e8a30ef2f029d18b62e78cb3a23527754598d9cb4d3817655435f608
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, a technique often used for SEO poisoning or to distribute malicious content. One of the primary links directs to a known malicious redirector, 'ttraff.ru', which is likely intended to lead the user to a phishing or malware download page. The document body contains garbled text but includes the suspicious URL and other Shopify links, suggesting a coordinated effort to distribute content via these platforms.

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.ru/wix?keyword=forgotten+realms+wood+elf
    • https://cdn.shopify.com/s/files/1/0436/6221/3273/files/fusewujinewadavulawo.pdf
    • https://cdn.shopify.com/s/files/1/0454/2988/3048/files/anarchical_society.pdf
    • https://cdn.shopify.com/s/files/1/0458/2365/6099/files/titanic_theme_song_piano_sheet_music_easy.pdf
    • https://cdn.shopify.com/s/files/1/0428/5172/9567/files/pizulimujosamuxedemat.pdf
    • https://cdn.shopify.com/s/files/1/0469/4776/2337/files/14580423885.pdf
    • https://cdn.shopify.com/s/files/1/0443/0397/4556/files/landgate_voi_guide.pdf
    • https://cdn.shopify.com/s/files/1/0435/0866/2440/files/xuwefex.pdf
    • https://cdn.shopify.com/s/files/1/0427/9749/8535/files/rijagesabezupa.pdf
    • https://static.usrfiles.com/ugd/374ce0_89d884a8dc9a4fe29276d519ecc46917.pdf
    • https://static.usrfiles.com/ugd/b8c837_35f58c7f1bdb4e2b92f86599e2795825.pdf
    • https://static.usrfiles.com/ugd/d1d005_105e24fc0e0b4279a565b848f6304f8e.pdf
    • https://static.usrfiles.com/ugd/764aaa_5fd74527a43d4a48b696f68318520c31.pdf
    • https://cdn.shopify.com/s/files/1/0433/3305/8710/files/tebobafuf.pdf
    • https://cdn.shopify.com/s/files/1/0437/0199/3622/files/encyclopedia_book.pdf
    • https://cdn.shopify.com/s/files/1/0434/1750/1853/files/55018950431.pdf
    • https://cdn.shopify.com/s/files/1/0431/1570/8580/files/78870892937.pdf
    • https://cdn.shopify.com/s/files/1/0430/1471/7597/files/camera_nx_apk_for_nougat.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_off000076b9.bin
38c66c9ac86003085fb2067f4c7add915dc9d655bc59954b9257bd6df9ba4820
pdf-font-stream PDF embedded font (sfnt) at offset 0x76B9 5272 bytes
font_01_sfnt_off000088a3.bin
88015777dfbaa60549f57ea88b433452ded1be4b14faa6e72ca9f1ef3fff2eb5
pdf-font-stream PDF embedded font (sfnt) at offset 0x88A3 9748 bytes