Malicious PDF — malware analysis report

Static analysis result for SHA-256 387d07205ce29652…

MALICIOUS

PDF

44.9 KB Created: 2020-08-29 18:41:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 814df2586e09c65796fc59a1e712987e SHA-1: 6a72fddcae968c5c40794aa1a5e2181ec692ac5f SHA-256: 387d07205ce2965209ff765cd49e9d97b8cf74cf2d57056ab809c34427b5b24e
160 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 'ttraff.com', which is used in conjunction with a lure for 'toyota techstream crack'. It also contains a PDF link farm heuristic, indicating a large number of external PDF links. The document body, though heavily obfuscated, contains the same redirector URL. The presence of a password archive lure heuristic suggests the PDF may be a precursor to delivering a password-protected archive.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=toyota+techstream+crack
    • https://cdn.shopify.com/s/files/1/0431/7344/5788/files/jamaxajibisujipasodi.pdf
    • https://cdn.shopify.com/s/files/1/0431/5879/8492/files/32430167281.pdf
    • https://cdn.shopify.com/s/files/1/0454/1985/6028/files/ak_47_80_receiver_template.pdf
    • https://cdn.shopify.com/s/files/1/0427/9504/0924/files/voxiwetimadetalex.pdf
    • https://cdn.shopify.com/s/files/1/0431/5761/8850/files/fupiwajogipanekog.pdf
    • https://static.usrfiles.com/ugd/b8c837_9d67ec2f2de2477b96a9c3a4be8db334.pdf
    • https://static.usrfiles.com/ugd/b8c837_2a7a3304c6474d6ca47f26549268ee81.pdf
    • https://static.usrfiles.com/ugd/f80014_ed9ab51ae2604390b4cca1b51fcd1d4b.pdf
    • https://static.usrfiles.com/ugd/05900a_af11713a93ec4d7a9880715ed1bbb1b8.pdf
    • https://static.usrfiles.com/ugd/b8c837_fab6ea02989040ffa9f81bd0e7f73aa6.pdf
    • https://static.usrfiles.com/ugd/41a0b6_f199f6cd81a04ea19aacff8bc9035a0f.pdf
    • https://static.usrfiles.com/ugd/b8c837_40887098fa744371918c05d5ff79376e.pdf
    • https://cdn.shopify.com/s/files/1/0430/4519/1841/files/puython_sorted_bar_plot.pdf
    • https://cdn.shopify.com/s/files/1/0434/5646/3014/files/animals_maroon_5_piano_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0427/6954/7431/files/jegajiwalebudadugezil.pdf
    • https://cdn.shopify.com/s/files/1/0435/6718/6079/files/bihar_daroga_previous_year_question_bank.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_off00006839.bin
3923c72a15012eb3acd0dbb45f3dd031e142841e742b0b352aaa68f774eb5b5f
pdf-font-stream PDF embedded font (sfnt) at offset 0x6839 5124 bytes
font_01_sfnt_off00007982.bin
b031ce94aea067f4ed3fa00ffbcaa7ee2057ca7f4ce26b4d81e9f6cb6f49f25e
pdf-font-stream PDF embedded font (sfnt) at offset 0x7982 14668 bytes