PDF malware analysis — malicious · 465034ef5f2768c7

MALICIOUS

PDF

44.8 KB Created: 2020-08-29 20:43:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3e3c1016ca20652038d27f49e390613a SHA-1: 2b6728a33e70422517c171283725edcd70d26e29 SHA-256: 465034ef5f2768c7df1dec7c22fcd8647b18beb4630449fde63aafa87086c4e5

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised with a lure referencing 'Vampire Diaries season 1 episode 4'. The file also exhibits characteristics of a PDF link farm, embedding numerous links to external PDFs, many hosted on static.usrfiles.com. The primary malicious link is the redirector, suggesting the document's purpose is to drive traffic to potentially harmful content.

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=vampire+diaries+season+1+episode+4
- https://static.usrfiles.com/ugd/b8c837_a27ceee5ee714d4b8ebded0024d36048.pdf
- https://static.usrfiles.com/ugd/cbe7f7_915ca144cbd44ab6bd693284ec528b9e.pdf
- https://static.usrfiles.com/ugd/b8c837_0f60d54d460443c2ae9fed21168741c2.pdf
- https://static.usrfiles.com/ugd/b8c837_d5c2cf93c6d043be8a06f2c6d6083b17.pdf
- https://static.usrfiles.com/ugd/409ca8_738972c8c7774e94a826f465223218b7.pdf
- https://static.usrfiles.com/ugd/67e251_d629513a31c04802a9d9a0f85b806a04.pdf
- https://static.usrfiles.com/ugd/b8c837_ab918a06946b4d48873b31213d183f3a.pdf
- https://static.usrfiles.com/ugd/bfbc46_96d951a9b2da467ab3dfe773ec2d9d84.pdf
- https://static.usrfiles.com/ugd/2e4eb4_6edc75832fdf4862a15377c2d2883489.pdf
- https://static.usrfiles.com/ugd/b8c837_49e49650d14b4e8998ee29b431f76877.pdf
- https://static.usrfiles.com/ugd/de65f7_69927f6b8a7d4e158f9f698dc09f9a0a.pdf
- https://static.usrfiles.com/ugd/b8c837_439ca287ba404a629e4fd1e99a16ca19.pdf
- https://static.usrfiles.com/ugd/b8c837_c1a25227efe24efa84f4228e272ced14.pdf
- https://static.usrfiles.com/ugd/b8c837_4aa50fe820d14e128736a2324d81e37f.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000646e.bin` `a380415b9ab21dbb1cc30f6e036ba759c549c26ecd5b138667ed10b5656aaacd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x646E	4884 bytes
`font_01_sfnt_off000074e8.bin` `617079403a653b23f2debf31b6a69d10bdae0b14df65966d465d2aa4a61c3574`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74E8	10420 bytes
`font_02_sfnt_off0000987c.bin` `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x987C	4324 bytes

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