PDF malware analysis — malicious · 3f008a23fc3f2027

MALICIOUS

PDF

40.5 KB Created: 2020-08-30 02:27:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b5c71c22886f11f374f8c2a1977bcaec SHA-1: 4a7cb4a7ceedec3cd38cc12dcb4089872b3248fa SHA-256: 3f008a23fc3f2027805454998110fb00629b277164599cd92530f838d06af722

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One prominent link, 'https://ttraff.ru/wix?keyword=pokemon+eclipse+gba+rom', is identified as a malicious redirector. The document also includes a visual call-to-action, further encouraging user interaction with the malicious links. The presence of a link farm suggests an attempt to distribute malicious content through search engine optimization.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=pokemon+eclipse+gba+rom
- https://static.usrfiles.com/ugd/b8c837_1f8faf09562a4f0f85a6dca7b8124fce.pdf
- https://static.usrfiles.com/ugd/b8c837_9ee590db22b0406ab72ad62683a0418b.pdf
- https://static.usrfiles.com/ugd/c20ea7_65a7b8d5e98a4bf9998993a027d781fa.pdf
- https://static.usrfiles.com/ugd/b65acf_d6f4ac254b1d48ab880b392fae708e16.pdf
- https://static.usrfiles.com/ugd/b8c837_eb8056e2478d4a9590e3d1a63ee3de1e.pdf
- https://static.usrfiles.com/ugd/bfbc46_7515efd4dbbf4a3e82130ac0c76fe9f9.pdf
- https://static.usrfiles.com/ugd/e5a943_17e938337c6d4fd7ab689ed5fa5b5773.pdf
- https://static.usrfiles.com/ugd/c4ccc4_e54ff921f6e64616a687ed3c1e6262e1.pdf
- https://cdn.shopify.com/s/files/1/0432/1542/1599/files/78130212903.pdf
- https://cdn.shopify.com/s/files/1/0434/1900/9173/files/31343275050.pdf
- https://cdn.shopify.com/s/files/1/0429/6297/6921/files/fofufebiduxamo.pdf
- https://cdn.shopify.com/s/files/1/0464/7249/5272/files/mewutijariwipu.pdf
- https://static.usrfiles.com/ugd/b8c837_bda09e0073e64be0915736abccfd8be7.pdf
- https://static.usrfiles.com/ugd/7f929b_aed7610edd7546e8b0346b758d5eb229.pdf
- https://static.usrfiles.com/ugd/3b47cb_be793030013144629d4d9e6637972d38.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_off00006052.bin` `5d0e41e1b05313aa987a20f66706e13eb50329f4f27a20a58bb541fc5975ce92`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6052	5460 bytes
`font_01_sfnt_off000072c9.bin` `34db52cdf1da540dfa91da091e22ed37c5230665f93beb1ae2c0d735d98a6dc1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72C9	10216 bytes

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