Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee79066b28f91616…

MALICIOUS

PDF

34.8 KB Created: 2020-08-31 13:51:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d95bcea160c159f389c379eca5681d99 SHA-1: dc10bd05e2c4bd4fd3b04ea0c99687291d5c19d0 SHA-256: ee79066b28f916166014d2e1809c4f91277a4308df1ee0bdd997a212fae82913
160 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 heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=henna+tattoo+flower+template'. It also contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, suggesting a link farm or SEO poisoning attempt. The document body, though heavily obfuscated, contains text that appears to be a lure for 'henna tattoo flower template' and includes the malicious redirector URL. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document likely prompts the user to install a browser extension or update, a common tactic for credential theft or malware installation.

Heuristics 4

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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/pify?keyword=henna+tattoo+flower+template
    • https://cdn.shopify.com/s/files/1/0435/6040/3103/files/gobalu.pdf
    • https://cdn.shopify.com/s/files/1/0440/3740/6870/files/guvurugadadu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3121/5774/files/5680231341.pdf
    • https://cdn.shopify.com/s/files/1/0439/9906/8310/files/72727416169.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/15138334831.pdf
    • https://cdn.shopify.com/s/files/1/0439/3821/8152/files/87852709931.pdf
    • https://cdn.shopify.com/s/files/1/0434/6124/7129/files/73328257256.pdf
    • https://static.usrfiles.com/ugd/b9801a_e778fb0c50c84e2eac0243bc91a5a6df.pdf
    • https://static.usrfiles.com/ugd/1e32c2_ead6bd42410842c4a1de269dd620550b.pdf
    • https://static.usrfiles.com/ugd/b8c837_6af8fe385d894162a2a89e7976411d9d.pdf
    • https://static.usrfiles.com/ugd/b8c837_2e7d491488694388b49b5e72010ebf10.pdf
    • https://cdn.shopify.com/s/files/1/0430/9427/8293/files/toxafomivekugazip.pdf
    • https://cdn.shopify.com/s/files/1/0432/5693/8646/files/xoburerokira.pdf
    • https://cdn.shopify.com/s/files/1/0433/7093/8533/files/bitizabifikewabajadud.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_off00004d24.bin
cec768d48ec05e28501068a1e2fa9ffa4e1dd89ef77843bd528008212a7b009d
pdf-font-stream PDF embedded font (sfnt) at offset 0x4D24 4920 bytes
font_01_sfnt_off00005dde.bin
de5516e25cc2b5fa759a824b9592735b5d6f7e547948329497a5c9c5216f67ac
pdf-font-stream PDF embedded font (sfnt) at offset 0x5DDE 9636 bytes