PDF malware analysis — malicious · faeb2ca724d48ddd

MALICIOUS

PDF

43.2 KB Created: 2020-08-30 11:08:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 75dff893fd3650232cc5898796b50b1c SHA-1: 17ea9112dcd7e7b4efc0e435f784416614ea3cbb SHA-256: faeb2ca724d48ddd79a487d1774e40cdae0741674f718f23d126309f53bf9794

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically 'https://ttraff.cc/wix?keyword=prayers+that+rout+demons'. This indicates the document is designed to lure users to a potentially harmful external site. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs pointing to 'static.usrfiles.com', suggesting an attempt to manipulate search engine results or distribute content through a large number of linked documents. 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.cc/wix?keyword=prayers+that+rout+demons
- https://static.usrfiles.com/ugd/b8c837_40c5fd9c944a481ea9dd43ed29ba0cb3.pdf
- https://static.usrfiles.com/ugd/516793_bd3cb921c4dc449ea6069026f08fa90c.pdf
- https://static.usrfiles.com/ugd/b8c837_3ca733eb7ac848cf887eb8202189f8c1.pdf
- https://static.usrfiles.com/ugd/0c268c_7598f7fcd77843088911915a819c7f4f.pdf
- https://static.usrfiles.com/ugd/b8c837_90644722b4944c36be91780c1542a9de.pdf
- https://static.usrfiles.com/ugd/41a0b6_5b6c2cda80614b78b487be6b76620193.pdf
- https://static.usrfiles.com/ugd/40b9e6_c0a8f884146840e0868d4e29d4bf74c2.pdf
- https://static.usrfiles.com/ugd/b8c837_3bc711463b5543f9bfda39dff8fea57d.pdf
- https://static.usrfiles.com/ugd/b8c837_e7c1df167c7144dcb2e091af2a92c45b.pdf
- https://static.usrfiles.com/ugd/0c8cc8_cf00bdad937646ebb74a934cc927eed0.pdf
- https://static.usrfiles.com/ugd/824332_f056ad16a45643269fe0b8308a480987.pdf
- https://static.usrfiles.com/ugd/e3ed1f_da4d3382e330462d9a8d450a12d783e2.pdf
- https://static.usrfiles.com/ugd/b8c837_1e95fec18a414b6698e1d9e79c1d23d1.pdf
- https://static.usrfiles.com/ugd/e2c250_a5135d635ea5447bb3b21b28e0d151d1.pdf
- https://static.usrfiles.com/ugd/b8c837_e3c088c13cb04a428c58dfef8b604f5f.pdf
- https://static.usrfiles.com/ugd/b8c837_67e7acd4ca64447d8afb699521dc813a.pdf
- https://static.usrfiles.com/ugd/b8c837_2a21f5c85e794d8d9114d9f97d24ec2e.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006c7d.bin` `8a18f0df7fb697012f5df3011bac76068b574d5ad3e5ce4ed2475656616d2355`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C7D	5136 bytes
`font_01_sfnt_off00007dca.bin` `480bdba2ab401ab70487d6df4926a2391212d46fca8b5214c2c585fe41e11660`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DCA	10068 bytes

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