PDF malware analysis — malicious · e05dda40a211a079

MALICIOUS

PDF

35.0 KB Created: 2020-08-29 09:41:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b06fea346a2e2711c5882d717af89a4f SHA-1: c179cf4ec2580493ce685986a0ca7030c96b77b2 SHA-256: e05dda40a211a079d7483c01f14ac0915d667c3b20199c16576613a8cffc5f83

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, characteristic of a link farm. One of these links, https://ttraff.cc/wix?keyword=zelda+majora+mask+soluce, is identified as a malicious redirector. The presence of this malicious link and the link farm structure suggests an attempt to lure users to malicious content, likely for phishing or malware distribution. The ML classifier also flagged this PDF with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=zelda+majora+mask+soluce
- https://static.usrfiles.com/ugd/b8c837_fc93742ee76546159e689593b292a611.pdf
- https://static.usrfiles.com/ugd/b8c837_911ec79e68bc4f85b6cc4396dcca44c7.pdf
- https://static.usrfiles.com/ugd/b8c837_54174a709f984c2095b8e28430d22a9e.pdf
- https://static.usrfiles.com/ugd/b8c837_455508254f8b4f8782217f181e537766.pdf
- https://static.usrfiles.com/ugd/b8c837_ef38ea2aa5194f5885878dbb1522c6d5.pdf
- https://static.usrfiles.com/ugd/b8c837_0eb317c6c08c4944bd06ab3bc6abdd0e.pdf
- https://static.usrfiles.com/ugd/b8c837_9c7c66be668b4432a4816b250b75f5d3.pdf
- https://static.usrfiles.com/ugd/b8c837_1779f72805b5484d8595fa4a2d796370.pdf
- https://static.usrfiles.com/ugd/b8c837_ec80e12df15e4f289b8c212a7c91ffeb.pdf
- https://static.usrfiles.com/ugd/b8c837_c339c8983be644e3b4c99bf180b96e90.pdf
- https://static.usrfiles.com/ugd/b8c837_9fc0f95631f744759b2ac730f477f9fc.pdf
- https://static.usrfiles.com/ugd/b8c837_ff238bc9a5d74139b1572a6204f549ea.pdf
- https://static.usrfiles.com/ugd/b8c837_771bd48058614aebab9436fb5aa7caeb.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_off00004b73.bin` `8ab4fb090cd649063d4cbcbe0a9897ee5cd14cf80ebf1aaba54ab658b69351f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4B73	5180 bytes
`font_01_sfnt_off00005d05.bin` `5cf436bba62b610d29959eb7dfaa96e9ba97c5d0f2345d420644df89753e7440`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D05	10160 bytes

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