Malicious PDF — malware analysis report

Static analysis result for SHA-256 b02f30f213436e3a…

MALICIOUS

PDF

51.8 KB Created: 2020-08-30 20:56:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b158445c2f75b3f76db32e86fcda9935 SHA-1: c58d7512e41edc2711f1839ddfff8cad761bdf1b SHA-256: b02f30f213436e3a22f01dd238f2fd0f84d37cf269426080a88f4b582787596c
150 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=shabazz+palaces+quazarz+zip'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on 'static.usrfiles.com'. The ML classifier also strongly flagged this PDF as malicious. The presence of these indicators suggests the primary intent is to lure the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=shabazz+palaces+quazarz+zip
    • https://static.usrfiles.com/ugd/b8c837_1419d63d92f34f3ca6cab4cd2a702b00.pdf
    • https://static.usrfiles.com/ugd/b8c837_ab6f624208d14055b47fa3dfeb5fb1d9.pdf
    • https://static.usrfiles.com/ugd/82e28d_ff33a71596d04fb5aaa40282aab3d56f.pdf
    • https://static.usrfiles.com/ugd/2b3f46_0777bf4e917f425ca294b14f54ba771c.pdf
    • https://static.usrfiles.com/ugd/b8c837_20d82a16a88e4f5791e57b7def2b1a52.pdf
    • https://static.usrfiles.com/ugd/40b9e6_70192239d53c4e70a62a68c6ea4e775e.pdf
    • https://static.usrfiles.com/ugd/b8c837_6437d9944bfb462785a7122b4513d61f.pdf
    • https://static.usrfiles.com/ugd/d5d855_2496fb0b0cad48ce97203444a1c003d4.pdf
    • https://static.usrfiles.com/ugd/097bd5_693ca9a662ae464d8f5fe369dec9799c.pdf
    • https://static.usrfiles.com/ugd/cbe7f7_0227580b8ebc442da009cebdb4c932fa.pdf
    • https://static.usrfiles.com/ugd/f3ecbe_0c0da80a6f5a448a8873384fb45b71f9.pdf
    • https://static.usrfiles.com/ugd/b8c837_a141e5303cdf4d0892d752e5f9f955af.pdf
    • https://static.usrfiles.com/ugd/f63f29_532756516b994d9aa6a2a34e43ab8eaf.pdf
    • https://static.usrfiles.com/ugd/b8c837_15b281b7a1174926accdf296b76d35f8.pdf
    • https://static.usrfiles.com/ugd/26938b_ba6fa080570f41f9b36293d3be476955.pdf
    • https://static.usrfiles.com/ugd/9b33c5_402c382e31c24b6e923bd3d56af3a8de.pdf
    • https://static.usrfiles.com/ugd/b98abb_20b2f28b68cb4eee8009a54b8aa09064.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_off00007d40.bin
652dbc1561be70a167b1a3b415371c6f76e7874dafe613655408bf5a181c1a6e
pdf-font-stream PDF embedded font (sfnt) at offset 0x7D40 4020 bytes
font_01_sfnt_off00008b98.bin
6a36c7a2f628849109cbee2071023c29369a6912a2e4b49df5f27b37115e8756
pdf-font-stream PDF embedded font (sfnt) at offset 0x8B98 5440 bytes
font_02_sfnt_off00009e13.bin
dcc6982042fecc143f19a1d82a86811044246e7d3332f28b5c190e655a1c4f12
pdf-font-stream PDF embedded font (sfnt) at offset 0x9E13 10428 bytes