Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f930fbb4162726c…

MALICIOUS

PDF

43.7 KB Created: 2020-09-13 00:04:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9751f3ff2e20d86f8edc64eafb77143c SHA-1: 79e8c2713c9c3bad29417207ece241f9001075dd SHA-256: 2f930fbb4162726cdde55352129c3651f6f4601a38dec2df81ecdc2aee0c6573
160 Risk Score

Malware Insights

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

The PDF file contains a lure for a "Dragon world hack online" and embeds multiple links. One critical heuristic indicates a malicious redirector link to 'ttraff.club', which is likely part of a social engineering attack to trick users into installing malicious browser extensions or downloading further malware. The document body, though heavily obfuscated, contains the malicious URL and references to other PDF files, suggesting a link farm used for SEO poisoning to attract victims.

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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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=dragon+world+hack+online
    • http://files.amethystretreatcenter.org/uploads/1/3/1/0/131071157/zaforesudafetanosav.pdf
    • http://files.zuzubeanpress.com/uploads/1/3/0/7/130776786/9d2bf.pdf
    • https://static.usrfiles.com/ugd/54bec1_3417056931ab4977947ade75dcb76f73.pdf
    • https://static.usrfiles.com/ugd/48bf55_d2d5daa6113845b8acadb3135290c6b4.pdf
    • https://static.usrfiles.com/ugd/87fdc7_45a634abe15a4baba137569244c24844.pdf
    • https://static.usrfiles.com/ugd/35e1ce_f5491ee2e24a47cdb5e2c9cfd87e8f46.pdf
    • https://cdn.shopify.com/s/files/1/0438/4076/6109/files/best_of_ccr_songs_free.pdf
    • https://static.usrfiles.com/ugd/275374_9c032b26c3e14b86a508a61d69198a64.pdf
    • https://static.usrfiles.com/ugd/a382ee_843749e0e3fc4aa6a0106e0bf4223d6b.pdf
    • https://static.usrfiles.com/ugd/bd5c68_c232e6179c17466b9677eb66ab65613b.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_off00006f86.bin
3963f86b67739c13bc535f17ce3d0e3cd0b3003329af283b880b330abab8334d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F86 5176 bytes
font_01_sfnt_off0000812d.bin
949bd6cbcdb619cb40c584cc22f7be40d7b01df11af8112bf12b5d7e47238b03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x812D 9772 bytes

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