Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d61f5c8eece36a8…

MALICIOUS

PDF

57.5 KB Created: 2020-09-03 07:08:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ec23f08bffd87b78e696531af22b369 SHA-1: b0950d33031da30a4573c54a72b66e81887fd2dc SHA-256: 3d61f5c8eece36a8c18cc18f77ea8d6df53b18e013b6ac6e88ab34c3e5e4f7d6
120 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, directing users to 'https://ttraff.me/wix?keyword=about+face+hackworth'. Additionally, it features a PDF link farm heuristic, indicating a large number of external links. The document body, though heavily obfuscated, contains the same malicious URL, suggesting the primary intent is to redirect the user to a potentially harmful 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.me/wix?keyword=about+face+hackworth
    • https://static.us
    • https://static.usrfiles.com/ugd/3bca44_a04a0dc132574c66bb0a0c43f7a9a0d5.pdf
    • https://static.usrfiles.com/ugd/bb13a2_9c4e2729d09e430dba2335d257dc8b00.pdf
    • https://static.usrfiles.com/ugd/b8c837_ec75e064e67140e6a819ade02fb77d06.pdf
    • https://cdn.shopify.com/s/files/1/0431/9825/1165/files/appvn_apk_2017.pdf
    • https://cdn.shopify.com/s/files/1/0461/5697/2195/files/ssc_stenographer_application_form_2017.pdf
    • https://static.usrfiles.com/ugd/b8c837_7b8697ee309d48c9b1c8779998d8d11d.pdf
    • https://static.usrfiles.com/ugd/7d1dc9_478bf9f26f6c43f2bf46caaeb94d1ae8.pdf
    • https://static.usrfiles.com/ugd/895bef_590e2ded995d4f5c996f6bc8f6d0a54d.pdf
    • https://static.usrfiles.com/ugd/3a38e0_7955be0f1749436cbee29ac0dcf5f36a.pdf
    • https://static.usrfiles.com/ugd/0adedf_e69a185917144767ae20cc874a410552.pdf
    • https://cdn.shopify.com/s/files/1/0428/8872/4639/files/gammes_piano_position_doigts.pdf
    • https://cdn.shopify.com/s/files/1/0462/6622/0695/files/6_column_balance_sheet.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_off0000a5aa.bin
e2d917ebf4951a1bbf4a9187b80e37b09249069cdc63aeec86ed326d99e9e39f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA5AA 5044 bytes
font_01_sfnt_off0000b6eb.bin
53b938ae210f1305e6b57defac45938ae998afce76bcc03dafcc47c6fba722f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB6EB 10044 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.