Malicious PDF — malware analysis report

Static analysis result for SHA-256 df52932fc8761622…

MALICIOUS

PDF

33.3 KB Created: 2020-08-30 15:39:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5132308bf6e079c74cc130c77476bf0b SHA-1: 2f12d8bf97e1da2f87af26aeb58b35260a588fde SHA-256: df52932fc8761622cd0abda5d50a8fd27d804be2ed53b1aec7b769502b0758a0
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.com/wix?keyword=beckett+honeywell+r7184b. The document body is heavily obfuscated and contains embedded URLs, further supporting the malicious intent. No scripts were extracted from this sample.

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.com/wix?keyword=beckett+honeywell+r7184b
    • https://static.usrfiles.com/ugd/0a052f_4954a940079c47788a25392bf213e00a.pdf
    • https://static.usrfiles.com/ugd/b8c837_d1b07e5cc80f421399e748d3e082ab2a.pdf
    • https://static.usrfiles.com/ugd/d5cf39_8548fd5aeadc48fd84d6f30caa5207f3.pdf
    • https://static.usrfiles.com/ugd/5360f8_8d6614a68c7e4a01b8ebac661b3dc0ca.pdf
    • https://cdn.shopify.com/s/files/1/0432/7594/4091/files/65986682024.pdf
    • https://cdn.shopify.com/s/files/1/0428/1512/7708/files/cebuella_pygmaea.pdf
    • https://cdn.shopify.com/s/files/1/0437/9292/4821/files/36348493565.pdf
    • https://cdn.shopify.com/s/files/1/0440/1712/3486/files/22252278346.pdf
    • https://cdn.shopify.com/s/files/1/0428/2348/3548/files/51416252927.pdf
    • https://cdn.shopify.com/s/files/1/0437/1903/3000/files/27987733167.pdf
    • https://static.usrfiles.com/ugd/b8c837_c84bc509c82e4486b3a31c1d0b4ac0c6.pdf
    • https://static.usrfiles.com/ugd/90423f_1315acd52c094fafb2cbd5421ed28dff.pdf
    • https://static.usrfiles.com/ugd/b8c837_f62634e1d32e4ded822c240ec0e3a99f.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_off00004622.bin
036dec8327aaf50f9caf42f5a9993851aa4c0f1c920cc9e072e6c11b82da5ca8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4622 5360 bytes
font_01_sfnt_off0000587a.bin
0831bb91b423eff0e725e8d6efc32b3ad32b94bec2be21a8f8ae60b15bd31ce4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x587A 9476 bytes

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