PDF malware analysis — malicious · b40d885172163146

MALICIOUS

PDF

36.6 KB Created: 2020-08-31 13:02:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7dc2d8501b1d49af9ec1dd0d5db7c892 SHA-1: 1321d59cb3100e4f7cba0f83b8e1080597c4f41e SHA-256: b40d885172163146d35b85f55d55b1a61abdb52ec1e74769afa5011350c1ff79

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a significant number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the malicious URL. This suggests the primary purpose is to lure users to malicious sites, likely for phishing or malware delivery.

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=guiders+mission+tours+and+travels+ernakulam
- https://static.usrfiles.com/ugd/97368a_4afebb151e1e44f692efca6bf187bd36.pdf
- https://static.usrfiles.com/ugd/1e32c2_3be1834a04ac42bd9b0203b53a7ca46e.pdf
- https://static.usrfiles.com/ugd/b8c837_d757f9cded0e4b08a6758a3d5a52a81b.pdf
- https://static.usrfiles.com/ugd/269bb8_7833916ac5ed4683a718e80b3d26560e.pdf
- https://static.usrfiles.com/ugd/64d889_6ed24e11d9ff49a9bebef3d001191963.pdf
- https://static.usrfiles.com/ugd/7603ae_716facaaac8d4eacab4147c40005d9d4.pdf
- https://static.usrfiles.com/ugd/b8c837_acc9de464a35427b99cb71e95afca048.pdf
- https://static.usrfiles.com/ugd/5899d5_8e93083516274c46879b50162fd42322.pdf
- https://static.usrfiles.com/ugd/850f07_6d17c5a1b30149378f3b1c8afcf6da1a.pdf
- https://static.usrfiles.com/ugd/a2d007_6d386c47ba744810a64b2a38bbb3ddab.pdf
- https://static.usrfiles.com/ugd/b11f6d_a59ce2b7f1fc40db9aca46d2e90ec7eb.pdf
- https://static.usrfiles.com/ugd/5a1791_5f7ad4c991884f44aeb2c2e8b89429b5.pdf
- https://static.usrfiles.com/ugd/5e8de6_8e77731d1c64431daf1d940691e81aba.pdf
- https://static.usrfiles.com/ugd/b5472a_6ca94b1ffe4f4604a23133f46f235edc.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_off00005172.bin` `932ce5f8f0bbe18f134d5a89a23f4546eb9b910d09c8ab2dfe2edcd45b955e8b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5172	5128 bytes
`font_01_sfnt_off000062cf.bin` `89edf23b3e82d8f1390871117ad66690ad05a44ae7b48411d6d7df818a10855c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62CF	10172 bytes

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