Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccf14ffe11f58f39…

MALICIOUS

PDF

58.4 KB Created: 2020-08-30 03:41:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8475e24bdb4be48b38bbec92782f6a6b SHA-1: 291a94c5771f7710e42ff9d9f4d1125eb7c2ec68 SHA-256: ccf14ffe11f58f394595b196a02f8b58c432efa5fdd53e3e14bc005490a10d17
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The SE_INVOICE_LURE heuristic suggests a pretext of an invoice or payment request to encourage user interaction with the malicious link. The embedded URL leads to a redirector that likely serves further malicious content.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=migos+app+state
    • https://static.usrfiles.com/ugd/b8c837_20f2a63ed025432e8c3b46eb407c12ee.pdf
    • https://static.usrfiles.com/ugd/735189_917c3426caf4463ebe7ae176440ca9fd.pdf
    • https://static.usrfiles.com/ugd/6240f8_4dc91fc00e0d4bc0a8541157e7c18657.pdf
    • https://static.usrfiles.com/ugd/b8c837_b5e8d0f10240461e9b98d1a2b99c762d.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mikawewetekiwu.pdf
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/61609958796.pdf
    • https://cdn.shopify.com/s/files/1/0432/0614/8255/files/57547267792.pdf
    • https://cdn.shopify.com/s/files/1/0435/3314/0127/files/pelicula_completa_la_ultima_cancion.pdf
    • https://cdn.shopify.com/s/files/1/0437/0992/3493/files/outlaw_rogue_leveling_talents.pdf
    • https://static.usrfiles.com/ugd/286fb8_d70efde01f334314b748426629833def.pdf
    • https://static.usrfiles.com/ugd/93c935_c3d27ef3e1a642c2b3b565c0d2f68ee8.pdf
    • https://static.usrfiles.com/ugd/b8c837_fc1238428dcf4ae9b46b6b07ae68358b.pdf
    • https://static.usrfiles.com/ugd/9cb927_41dae147fc83462fbc8bd63401063279.pdf
    • https://static.usrfiles.com/ugd/565485_32b7ccf51ce54a119933207bb9548318.pdf
    • https://cdn.shopify.com/s/files/1/0428/4976/3487/files/57784452736.pdf
    • https://cdn.shopify.com/s/files/1/0437/3794/0122/files/ducky_one_two_mini.pdf
    • https://cdn.shopify.com/s/files/1/0438/9568/5288/files/76720194238.pdf
    • https://cdn.shopify.com/s/files/1/0431/4100/5480/files/finuwiratolefolunake.pdf
    • https://cdn.shopify.com/s/files/1/0432/9019/8180/files/aortic_dissection_guidelines_2020.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_off00009a52.bin
eba495d70aa43bcb15d676329726a530af02ea3e3b87fa42a4c0be04459ad98f
pdf-font-stream PDF embedded font (sfnt) at offset 0x9A52 3296 bytes
font_01_sfnt_off0000a603.bin
53c22c53d6d415b6cfaa331f3df5cba016805c12e47af6a551fc04d4f73b397b
pdf-font-stream PDF embedded font (sfnt) at offset 0xA603 4864 bytes
font_02_sfnt_off0000b6b1.bin
7e9ae11f2a32cf1157d0d1005b5d9e7cee691e71713cdb61597f4ce40534f473
pdf-font-stream PDF embedded font (sfnt) at offset 0xB6B1 10912 bytes