Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba0b60bd1ea665ad…

MALICIOUS

PDF

45.8 KB Created: 2020-08-31 15:39:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53d57f19e1bbaad149b09706c1be6c82 SHA-1: 12f11fd77b8aaa0953af72a2d1562fed018e30b4 SHA-256: ba0b60bd1ea665ad0005fcfd2582c88c68fd4bb1b93e7e1b82d58342ea6b734b
168 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=autodesk+autocad++crack'. Additionally, it exhibits a PDF SEO link farm pattern, suggesting an attempt to game search engines for malicious content. The document also instructs users to disable security software, a common tactic to facilitate further malicious activity. The presence of a download button lure reinforces the malicious intent.

Heuristics 5

  • 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.
  • Security software disable instruction high SE_SECURITY_BYPASS
    Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
  • 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=autodesk+autocad++crack
    • https://static.usrfiles.com/ugd/1f6d71_2dece99e785646f69199cd81d7b8fefd.pdf
    • https://static.usrfiles.com/ugd/73cb9e_eb79d8b02d6c4c4ab0f1ec7cda2cfa6e.pdf
    • https://static.usrfiles.com/ugd/f84671_ce7ca4379f50452cab72a551f4cd2fab.pdf
    • https://static.usrfiles.com/ugd/7603ae_0f4533c155ad4802a35e86d3f22bb6f6.pdf
    • https://cdn.shopify.com/s/files/1/0437/5507/7781/files/honda_mower_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/7957/3414/files/easy_trumpet_solos.pdf
    • https://cdn.shopify.com/s/files/1/0430/6409/8970/files/romowokaxo.pdf
    • https://cdn.shopify.com/s/files/1/0430/7091/4717/files/mafibuwurix.pdf
    • https://cdn.shopify.com/s/files/1/0435/6050/1407/files/95956004826.pdf
    • https://cdn.shopify.com/s/files/1/0431/0279/7986/files/loruromarabedusorapuse.pdf
    • https://static.usrfiles.com/ugd/b8c837_e1ae8f343bd748f196de2dd10a9b0603.pdf
    • https://static.usrfiles.com/ugd/b8c837_aed81ba7b08a47d29e8023889db43d12.pdf
    • https://static.usrfiles.com/ugd/b8c837_1ec9cfcc516241eb91aaee5f9f0ea4fd.pdf
    • https://static.usrfiles.com/ugd/b8c837_b7acab406c2143de8b869b3fdc374bf4.pdf
    • https://static.usrfiles.com/ugd/6f58fb_6a79933f9a7b4e8a923004188acf77da.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_off000068ca.bin
2039ec670d8a68fd4fd64bb4a679d7da5ce6442741dbb34855544e65138a3467
pdf-font-stream PDF embedded font (sfnt) at offset 0x68CA 4680 bytes
font_01_sfnt_off000078c4.bin
6c0fd99e24253db5aecff92dd9d3fd8efdd7b9db1d7f3d5dacdf58cc4f44982d
pdf-font-stream PDF embedded font (sfnt) at offset 0x78C4 10308 bytes
font_02_sfnt_off00009c15.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230
pdf-font-stream PDF embedded font (sfnt) at offset 0x9C15 4324 bytes