Malicious PDF — malware analysis report

Static analysis result for SHA-256 47cb5f336940059d…

MALICIOUS

PDF

44.4 KB Created: 2020-08-31 11:13:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8298fc431b8be45afba52c804bc04f9c SHA-1: a7173448c11500a4cb9e1c49f812c72e62f40905 SHA-256: 47cb5f336940059d522103eceae7eefe1c8ca762f3979777aa98ae77ec59329b
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector pointing to 'https://ttraff.com/wix?keyword=halo+combat+evolved+free+download+utorrent'. The document body, though heavily obfuscated, contains text related to software downloads, and a heuristic firing indicates the presence of a visual download button lure. This suggests a social engineering attack aimed at tricking users into visiting a malicious URL.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=halo+combat+evolved+free+download+utorrent
    • https://static.usrfiles.com/ugd/fd30ac_52545c193dac4275a9b24ba603084df0.pdf
    • https://static.usrfiles.com/ugd/625844_a00d4d9c2c67494a8477ac05de264331.pdf
    • https://static.usrfiles.com/ugd/b8c837_43d326701a3c4bb5a17399780abaeaf3.pdf
    • https://static.usrfiles.com/ugd/b8c837_29d012bf2c4844658994e1a5db8f2014.pdf
    • https://static.usrfiles.com/ugd/ab059d_3ac01b89693f4a7f9db7f583ddf72c04.pdf
    • https://static.usrfiles.com/ugd/d55797_126699fa52d34d8bb5bbe6179f7ad96f.pdf
    • https://static.usrfiles.com/ugd/b8c837_6284ee5ef7f74cc293fa6d99cbb42d45.pdf
    • https://cdn.shopify.com/s/files/1/0433/9394/1671/files/lizijeloxabuso.pdf
    • https://cdn.shopify.com/s/files/1/0428/7230/7875/files/javugapujekes.pdf
    • https://cdn.shopify.com/s/files/1/0433/2742/2632/files/wilulofajakudizomoworiwa.pdf
    • https://cdn.shopify.com/s/files/1/0438/3873/4496/files/xalejelu.pdf
    • https://cdn.shopify.com/s/files/1/0430/7451/9194/files/56406419226.pdf
    • https://static.usrfiles.com/ugd/b8c837_114f6fa836b74e938d7a4e247ad61e08.pdf
    • https://static.usrfiles.com/ugd/345929_aa2d83c7039f48b68df698179ec01d83.pdf
    • https://static.usrfiles.com/ugd/b8c837_fded61b4a0f74705b95d29c1c5064f73.pdf
    • https://static.usrfiles.com/ugd/91e123_1d24dcd292264e2ab399a752a051e15c.pdf
    • https://static.usrfiles.com/ugd/affaa6_d05ec5b93be44692adec6e3805b0a716.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_off00006153.bin
cc8ee59d3485e6fd790b70e69bad2ba186e7df5734da12c4e61ee049a7c769bc
pdf-font-stream PDF embedded font (sfnt) at offset 0x6153 5076 bytes
font_01_sfnt_off00007290.bin
1ae636b77d95219efd6b218d05a8ae5847928f96960af07bded0632f9768d459
pdf-font-stream PDF embedded font (sfnt) at offset 0x7290 10424 bytes
font_02_sfnt_off00009634.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3
pdf-font-stream PDF embedded font (sfnt) at offset 0x9634 4324 bytes