PDF malware analysis — malicious · fc35bef2490ce166

MALICIOUS

PDF

42.7 KB Created: 2020-09-02 05:54:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 66b5c21d82ee1aaffb63fd5207b57971 SHA-1: 42c6f7058251fc832ba227b42d459b4f8290ea43 SHA-256: fc35bef2490ce16631347abd15235462b42f76920c121c3eb065b54e71083de8

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, ttraff.ru, which is designed to lure users to malicious sites. The document body, though heavily obfuscated, contains references to the Amoco Cadiz accident report and numerous embedded URLs, suggesting a link farm or redirection tactic. The primary attack pattern involves tricking the user into clicking the malicious link, likely leading to further compromise.

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=amoco+cadiz+accident+report
- https://static.usrfiles.com/ugd/21e6f2_3034a949b5d24f158fbeecb2d41e4fc8.pdf
- https://static.usrfiles.com/ugd/c6ac46_f59f7332b4ad4fe8b42325de24d4d269.pdf
- https://static.usrfiles.com/ugd/58a813_d8036de4b5ca47c090db05c27322f4ba.pdf
- https://static.usrfiles.com/ugd/b8c837_680cec348eef439dabd0a506550f8eb2.pdf
- https://static.usrfiles.com/ugd/a44510_3ec5d20e74794789bae2221df077e782.pdf
- https://cdn.shopify.com/s/files/1/0431/5951/9387/files/python_3._4_3_32_bit.pdf
- https://cdn.shopify.com/s/files/1/0463/2448/2210/files/xekitux.pdf
- https://cdn.shopify.com/s/files/1/0432/7643/5612/files/51820885950.pdf
- https://cdn.shopify.com/s/files/1/0433/7673/8462/files/2185492718.pdf
- https://cdn.shopify.com/s/files/1/0434/0056/0805/files/plague_inc_mod_apk_android_oyun_club.pdf
- https://cdn.shopify.com/s/files/1/0436/9724/2280/files/sowagarupufopene.pdf
- https://cdn.shopify.com/s/files/1/0435/2737/2964/files/risosikawigifedonujudosaw.pdf
- https://cdn.shopify.com/s/files/1/0459/7311/0951/files/zegekutefo.pdf
- https://static.usrfiles.com/ugd/628a76_326d3f4d267f47bda0064586653837ef.pdf
- https://static.usrfiles.com/ugd/a2e20a_725f6ca1c7f241fab92b1144a19ce27c.pdf
- https://static.usrfiles.com/ugd/9ff9b8_755b8ec424ab4093994bdf78e43f37bd.pdf
- https://static.usrfiles.com/ugd/784815_ef176aa7f0934ed3a594491eb703764b.pdf
- https://static.usrfiles.com/ugd/79e0dc_1a3874a2020e4240a8acd588f9c8c715.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_off00006acf.bin` `eef61ad93aa183eeabf27dd436ce404b76d7d08e5894820e4eda6613b6ca4177`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6ACF	5048 bytes
`font_01_sfnt_off00007bea.bin` `f0c94f2a983772301bbddd1a0bb234ccbdf06d857d91b0146a7c7f9b8dbcdf0b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BEA	9964 bytes

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