Malicious PDF — malware analysis report

Static analysis result for SHA-256 533197faf0b96052…

MALICIOUS

PDF

60.9 KB Created: 2020-08-31 09:22:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4705cc326a505633c86cefdb2bfeba41 SHA-1: ea7c4745c01890f1c523a5ea021279348d9638a0 SHA-256: 533197faf0b960526c7f955fee75b041867e14c17bb27e4d651d1f07883a35d4
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to mimic search results, with a primary malicious redirector URL: https://ttraff.cc/wix?keyword=xanathar%2527+s+guide+5e+pdf. This indicates a social engineering attempt to drive traffic to malicious infrastructure. The document body itself is heavily obfuscated and contains embedded URLs pointing to benign Shopify domains, but the critical heuristic firing on the ttraff.cc domain confirms its malicious intent.

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=xanathar%2527+s+guide+5e+pdf
    • https://cdn.shopify.com/s/files/1/0431/1410/2950/files/tenant_lease_agreement_template_uk.pdf
    • https://cdn.shopify.com/s/files/1/0429/5327/7596/files/35280717053.pdf
    • https://cdn.shopify.com/s/files/1/0439/4903/1592/files/89957269099.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lafiku.pdf
    • https://static.usrfiles.com/ugd/03ae60_c009db1e13654c34830e79a95c0a2f88.pdf
    • https://static.usrfiles.com/ugd/b7ab08_de935d20df6943b2b69ec993ab6995d4.pdf
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/facebook_background_template_photoshop.pdf
    • https://cdn.shopify.com/s/files/1/0434/0498/4483/files/beach_buggy_racing_apk_mod_multiplayer.pdf
    • https://cdn.shopify.com/s/files/1/0461/3406/7353/files/zukupixudiwituvik.pdf
    • https://cdn.shopify.com/s/files/1/0436/8682/2053/files/93579221100.pdf
    • https://cdn.shopify.com/s/files/1/0432/8580/7268/files/mafenexono.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_off0000a1a2.bin
47392db073ebd1b89a0e339ab2c0e205c9a0633ef10613e1827dc50426d19b0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA1A2 5180 bytes
font_01_sfnt_off0000b332.bin
549244a972bb0c3a98ecc6b268ad25e46df21d66aa5c4c4fa0ac9d99cad10634		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB332 11076 bytes
font_02_sfnt_off0000d92f.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD92F 4324 bytes

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