Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbd41fdf6baef488…

MALICIOUS

PDF

38.0 KB Created: 2020-09-01 14:49:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92068ee075e6f8ba863dade9ef0e4e98 SHA-1: bc888e68b052ae61480fc28ff11f32d9700de1dd SHA-256: bbd41fdf6baef4885151a72dece82e9087653123677b8707fea22d90b263ea7e
120 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link disguised as a report. The primary malicious URL, 'https://ttraff.cc/wix?keyword=ict+steering+committee+report', is directly embedded and likely leads to a phishing or malware distribution site. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to benign Shopify domains, likely for SEO manipulation or to mask the malicious intent. No scripts were extracted, but the PDF structure and embedded malicious URL strongly suggest a social engineering attack.

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.cc/wix?keyword=ict+steering+committee+report
    • https://cdn.shopify.com/s/files/1/0431/6083/0116/files/mapa_mundi_en_blanco.pdf
    • https://cdn.shopify.com/s/files/1/0433/9145/1303/files/p_a_t_test_certificate_template.pdf
    • https://cdn.shopify.com/s/files/1/0429/2263/9527/files/seginolod.pdf
    • https://cdn.shopify.com/s/files/1/0438/1055/4013/files/brother_printer_manual_wifi_setup.pdf
    • https://static.usrfiles.com/ugd/d54300_5e8303fde1fc44d2a82be77d4a8129f3.pdf
    • https://cdn.shopify.com/s/files/1/0431/5666/8565/files/32341557468.pdf
    • https://cdn.shopify.com/s/files/1/0432/7089/7824/files/kosepifegisakin.pdf
    • https://cdn.shopify.com/s/files/1/0427/5470/3526/files/bujugapi.pdf
    • https://static.usrfiles.com/ugd/b8c837_a207f8817be44831a1eba6f3479d8ed8.pdf
    • https://static.usrfiles.com/ugd/97493d_e25da8376ffc430c90649fc49dd85e0f.pdf
    • https://static.usrfiles.com/ugd/e78b77_b35d5572ea504d99a1a2659e793f31a8.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_off000058f4.bin
b8630cd9ad27693d4aeb1971d562f8bd659974199d321b405a5ee4de7c908071		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58F4 4948 bytes
font_01_sfnt_off000069b8.bin
caa37675c843b587dbdd15ec45073388d7f514d4c0ef6333c29f93503d90677d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69B8 10120 bytes

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