PDF malware analysis — malicious · 9af7fec61d9dfff8

MALICIOUS

PDF

44.3 KB Created: 2020-08-31 03:03:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3dccdf599bc7d7ffd2302be67bd28be8 SHA-1: b69c2f2c702052d908a648a4699b432417ac3b40 SHA-256: 9af7fec61d9dfff823b437d18906c20c018ee938b462fa7ea4d519f26000f8cc

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. One of these URLs, 'https://ttraff.ru/wix?keyword=the+four+spiritual+laws+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL, suggesting an attempt to lure users to potentially harmful content. The presence of multiple external links, combined with the malicious redirector, indicates a probable phishing or SEO manipulation attack.

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.ru/wix?keyword=the+four+spiritual+laws+pdf
- https://static.usrfiles.com/ugd/50c35f_e7128318a4854a3b90bc2ede00b7c3bd.pdf
- https://static.usrfiles.com/ugd/d1d005_bcd3004168794b2f94dc819098e0cae0.pdf
- https://static.usrfiles.com/ugd/b8c837_91b65c4aed5c49e0b53f8eb71402cae4.pdf
- https://static.usrfiles.com/ugd/b8c837_21299698ec9846c19e961adc3ac3e058.pdf
- https://static.usrfiles.com/ugd/e3ed1f_bd15647168824492bcd3d31d89ddd54b.pdf
- https://static.usrfiles.com/ugd/bb13a2_56b7e84d93b4432dbe85528412a499c0.pdf
- https://static.usrfiles.com/ugd/3e9e83_d216928f646e43f790bbc2bfcdf9e326.pdf
- https://static.usrfiles.com/ugd/b8c837_a0f184f9bf4349768a38ab38577e1672.pdf
- https://static.usrfiles.com/ugd/b8c837_ab96afde982e44ff8247b25864394a6b.pdf
- https://static.usrfiles.com/ugd/d902bb_192af7cb83464bf49f52e7b9581b6932.pdf
- https://static.usrfiles.com/ugd/e3ed1f_73416913d8df4a9abacfc9ad53a5e4d5.pdf
- https://static.usrfiles.com/ugd/8b9728_0569872eaf7c4d75a37bc86c58bdcc8f.pdf
- https://static.usrfiles.com/ugd/b4a829_9bbde90acd494bcc8d24e098f598e020.pdf
- https://static.usrfiles.com/ugd/9219f8_f7eab2bbefe64c408639da5815960bef.pdf
- https://static.usrfiles.com/ugd/b8c837_d13b2cf7acd44bf5a61c0a29e2f928d2.pdf
- https://static.usrfiles.com/ugd/625844_3514f59badf844279d5e86a81e377f6b.pdf
- https://static.usrfiles.com/ugd/df4650_b68b610ba404493a81262810fed074ae.pdf
- https://static.usrfiles.com/ugd/2e79a6_c3ff0dec5e8f4b5abf49fd33452de3ef.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_off00006f84.bin` `33275830819827d848e9ab61affe025515eb040a26fed1d0b5bf786626700b8a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F84	5168 bytes
`font_01_sfnt_off00008129.bin` `7284c55a89ffbd7d4cf042c723d5e9ddf7f7dcaee434742b8a138dfa1ac08f87`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8129	10120 bytes

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