Malicious PDF — malware analysis report

Static analysis result for SHA-256 f928d49b3a5278db…

MALICIOUS

PDF

230.6 KB Created: 2020-09-01 17:45:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 922a78855fde27453b3733d92dc50732 SHA-1: 3a6e3ac26016dee265323a1bdc3abebc020d499f SHA-256: f928d49b3a5278db2d0fd63bc8acfb500cb51c2cf5b54675b78fa547d08b1094
68 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, appears to contain the malicious URL. The heuristic 'SE_URGENCY_LURE' suggests the document uses deceptive language to encourage clicks. The presence of a malicious redirector link indicates the document is likely a lure for phishing or malware distribution.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.link/wix?keyword=iodinated+contrast+media+guideline
    • https://static.usrfiles.com/ugd/e2c6c1_b57b9dc06aea41e497a2a2b41cf6fb6f.pdf
    • https://static.usrfiles.com/ugd/162fe6_c1714f84e78e4cf4942da57a33d7b2a3.pdf
    • https://static.usrfiles.com/ugd/a98ecc_10a92e69644842599aab80add51a0d0b.pdf
    • https://static.usrfiles.com/ugd/b4f0c6_bbb90e21f8f443baa3f1e65477f0ee94.pdf
    • https://static.usrfiles.com/ugd/b8c837_d555d847c9024a99bd9a694c86e40bf4.pdf
    • https://cdn.shopify.com/s/files/1/0433/9551/4535/files/homeopatia_libros_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0431/5208/1053/files/allegra_gotas_bula.pdf
    • https://cdn.shopify.com/s/files/1/0434/0740/9308/files/90480957565.pdf
    • https://cdn.shopify.com/s/files/1/0431/6053/5196/files/57328135143.pdf
    • https://static.usrfiles.com/ugd/7603ae_8c492fdf13d64eb08d87cb73bb4eaa5b.pdf
    • https://static.usrfiles.com/ugd/0c268c_18765fc82bc94f02ac8a7671c632f343.pdf
    • https://static.usrfiles.com/ugd/b8c837_13ee047d00e046cb88a652344cdcc94e.pdf
    • https://static.usrfiles.com/ugd/3b0c81_7e8afa05770148f784a0f82963c52e38.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_off00033a67.bin
27c4c8cf2b448db13219a803e45bfd5e0bacecce9faff0d698e0720b37ba22ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33A67 5076 bytes
font_01_sfnt_off00034b87.bin
f607c85520f4dc3bae4d80dabb9de208889386d9586ebb995eb124207b7a7cc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x34B87 16564 bytes
font_02_sfnt_off00037e38.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x37E38 4324 bytes

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