Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d60c71beba6fe8c…

MALICIOUS

PDF

50.6 KB Created: 2020-09-04 03:50:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a7e3dc45c1c5b82dd067833cd248e871 SHA-1: 802be39b6fabc440363fc87caff1bc8a5f01ec7e SHA-256: 9d60c71beba6fe8c5f5ed606ff309fdd9ab312ece5966873b537fa7be464468d
148 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=business+email+newsletter+templates+free'. Additionally, it exhibits characteristics of a link farm, with numerous external PDF links. The document body, though heavily obfuscated, also contains the same malicious URL and other benign-looking PDF links. The presence of a 'download button' lure and a callback phishing lure suggests a social engineering attempt to trick the user into interacting with malicious content.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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.me/wix?keyword=business+email+newsletter+templates+free
    • https://static.usrfiles.com/ugd/217d68_76c40b70c26747aa9607648efb3e0578.pdf
    • https://static.usrfiles.com/ugd/cd79e3_b88b402543a54f60897a8f1881f96301.pdf
    • https://static.usrfiles.com/ugd/b8c837_e41db60785a940b79d36a42069d4c010.pdf
    • https://static.usrfiles.com/ugd/f34823_1820c5bd8db844bcafe5ffd91c1f42f0.pdf
    • https://static.usrfiles.com/ugd/8b9728_4df8c8590f54409994bc390b450430b6.pdf
    • https://cdn.shopify.com/s/files/1/0431/4782/1212/files/tnpsc_current_affairs_february_2020_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0430/0252/7895/files/2012_honda_civic_owners_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/0537/0787/files/98340901281.pdf
    • https://cdn.shopify.com/s/files/1/0432/9078/7996/files/97968407932.pdf
    • https://static.usrfiles.com/ugd/0aab01_7682e6c7a24747a1a99408f201e5538d.pdf
    • https://static.usrfiles.com/ugd/6e13d9_deb188b52a1642bcb16c5311f5ee2ee0.pdf
    • https://static.usrfiles.com/ugd/b8c837_ff10f24e6597413396d47af256bffd89.pdf
    • https://static.usrfiles.com/ugd/b8c837_05f288aff3d64d7496fe0bdac36ce92d.pdf
    • https://static.usrfiles.com/ugd/868b90_acf54f31564c4e1da642862df8abceaa.pdf
    • https://static.usrfiles.com/ugd/b8c837_01ea57b9614d43c18c39151d72285354.pdf
    • https://static.usrfiles.com/ugd/6c98bc_4b3b92a9d80d490f8c7d585762693912.pdf
    • https://static.usrfiles.com/ugd/cc03df_0e8e5db130fb413080a51831e6df22b9.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_off00007a4e.bin
d619508e9577fe16f9674edaccbb0229cf20cb7d2221770e199d953bc8f517c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A4E 4960 bytes
font_01_sfnt_off00008b11.bin
62f8f76147a02d2f3e7fb8520b6bf4e50e08539f19ea85a1a4c2564ad49836dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B11 10468 bytes
font_02_sfnt_off0000aebd.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAEBD 4324 bytes

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