Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2d15a5ccc81f9be…

MALICIOUS

PDF

37.5 KB Created: 2020-09-02 18:20:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ace2f907fcd030fdfd15ac2348767b2 SHA-1: c44f0ff0d746eab56a1cb2f34f01e7a7ebd6c013 SHA-256: d2d15a5ccc81f9be480bfafb325c1c9ffce638de591433af7b7953c48f67b46c
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.club/wix?keyword=shf+agito+shining+form+review'. The document body also contains this URL, alongside numerous other links to PDF files hosted on Shopify and static.usrfiles.com, indicating a link farm strategy. The primary malicious link is likely used to redirect the user to a phishing or malware distribution site.

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.club/wix?keyword=shf+agito+shining+form+review
    • https://cdn.shopify.com/s/files/1/0437/8063/6833/files/africa_subsahariana.pdf
    • https://cdn.shopify.com/s/files/1/0448/3871/5552/files/hampton_bay_low_voltage_lighting.pdf
    • https://cdn.shopify.com/s/files/1/0428/7650/2175/files/22454361260.pdf
    • https://cdn.shopify.com/s/files/1/0432/5956/0094/files/vidmate_apps_chahiye_karna_hai.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nojigepinipefonumupitos.pdf
    • https://static.usrfiles.com/ugd/5e8de6_017a85e63ca9433b9a567104d1c07e19.pdf
    • https://static.usrfiles.com/ugd/b8c837_ca5af8255dab4f77b418bf4e95e8d011.pdf
    • https://static.usrfiles.com/ugd/2e4eb4_b0bf2fc96153414b8f4772b5d664a610.pdf
    • https://static.usrfiles.com/ugd/784815_dcdc762661924046a183c58c6e64eaf4.pdf
    • https://static.usrfiles.com/ugd/b8c837_25d91c7bdb5b46f9a90f6ebb338b124c.pdf
    • https://static.usrfiles.com/ugd/585b1d_b0cf361e5f6c414dba4000bcc33dc2f6.pdf
    • https://static.usrfiles.com/ugd/b8c837_9152adba514f4e8fa39da77a059d4bd7.pdf
    • https://static.usrfiles.com/ugd/64e449_e552d2c2070c475c97bee84c46c13b68.pdf
    • https://static.usrfiles.com/ugd/b8c837_f166e2c1d215496f9fdefdc1a5be1c93.pdf
    • https://static.usrfiles.com/ugd/9fc8c3_12f3bae3afa14d0cb917990d0a119886.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_off00005551.bin
e7679bbf4704e146de627f2785c150b32099f818d078f717bbafab8649bb2e2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5551 5404 bytes
font_01_sfnt_off0000679c.bin
f886928e008c000db6e287f86d0ae1637e1368608b3849111c086409f39b610c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x679C 9868 bytes

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