PDF malware analysis — malicious · d720789c3932ad75

MALICIOUS

PDF

50.6 KB Created: 2020-08-31 00:16:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ff5aa268f2b5c841888608ea9bad3c90 SHA-1: 04c4f5c77a9edcd67a6c6829b7a6fb2183ffd154 SHA-256: d720789c3932ad751b6e5dec695a38a1f3b339801ee109d260499488dd31fe78

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF file contains numerous links, a common tactic for SEO poisoning and redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is designed to lead users to further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack vector.

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.com/wix?keyword=nexusmods+7+days+to+die
- https://static.usrfiles.com/ugd/2813e2_cf0d479c49734dcd8454dcfdefc5972e.pdf
- https://static.usrfiles.com/ugd/b98abb_09ae4f1caee449ea961f83ddb9dfc51f.pdf
- https://static.usrfiles.com/ugd/2e4eb4_69429e6e38cb4ffba8455cc0145ab1bc.pdf
- https://static.usrfiles.com/ugd/f3cb45_56de46a1bca349ab9ac184def88b7d97.pdf
- https://static.usrfiles.com/ugd/f0e51d_b99cb5ed4a0547258f9d2a0e83bf5ff3.pdf
- https://static.usrfiles.com/ugd/1cc7e8_5317baee6b4a43d6b71255869966187e.pdf
- https://static.usrfiles.com/ugd/b8c837_e46242ac61bd457ca672770fdf54dfaf.pdf
- https://static.usrfiles.com/ugd/b8c837_912440e77ed84e83bf6efcd6eb7d9f54.pdf
- https://static.usrfiles.com/ugd/097bd5_6b73cb7cc9bb4964b9f24d0132b9646d.pdf
- https://static.usrfiles.com/ugd/b8c837_19bf628f17bd479e96ab3a433509fdc4.pdf
- https://static.usrfiles.com/ugd/b8c837_0477fee2ee2e4f7086ad927eaeb3ddf1.pdf
- https://static.usrfiles.com/ugd/cb4a18_f1d587abb81d42408d74a5d7bfcae311.pdf
- https://cdn.shopify.com/s/files/1/0432/8197/3403/files/letter_of_authorized_signatory_for_gst_format.pdf
- https://cdn.shopify.com/s/files/1/0428/5127/0815/files/69143082148.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_off0000874a.bin` `0981a30c793297d30f7ec1ff9f0502011033780e9760dd52893573767e38e419`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x874A	5060 bytes
`font_01_sfnt_off0000988a.bin` `df1394ae2cd0926289ce2b6dbe3cc55c87bed922527e4c034f21932c9efcc994`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x988A	11064 bytes

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