PDF malware analysis — malicious · 3a3de80a7318119d

MALICIOUS

PDF

45.7 KB Created: 2020-08-29 12:44:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 74c76a73a8ec3a3eebe948b6702958d0 SHA-1: f9b3bb1e6c4e89b44b11c1bc689ba18a3065ce9a SHA-256: 3a3de80a7318119d0c3bd5bae117c9f1b89c0ded961fe79984398a777573d90f

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying it as a PDF link farm. One of the primary links, 'https://ttraff.com/wix?keyword=tots+els+digrafs', is flagged as a malicious redirector. This suggests the document's purpose is to direct users to malicious infrastructure, potentially for phishing or malware distribution. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact lure.

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.com/wix?keyword=tots+els+digrafs
- https://static.usrfiles.com/ugd/b8c837_b2d3ad00f82e41b29ca32be804017d62.pdf
- https://static.usrfiles.com/ugd/b8c837_323949b27eb4474eb77a73467dd604b0.pdf
- https://static.usrfiles.com/ugd/b8c837_6f8629d34a104fcbbdbd889419644290.pdf
- https://static.usrfiles.com/ugd/b8c837_d5a5e16b484240afa9dc71198d5e6b73.pdf
- https://cdn.shopify.com/s/files/1/0434/0934/2621/files/batuworaze.pdf
- https://cdn.shopify.com/s/files/1/0432/4461/7885/files/star_wars_revisited_mp4.pdf
- https://static.usrfiles.com/ugd/b8c837_05539e552f234596bace35d212021be7.pdf
- https://static.usrfiles.com/ugd/b8c837_2e7d491488694388b49b5e72010ebf10.pdf
- https://static.usrfiles.com/ugd/93c935_7fda79e8af1b4620ba72948aae5c81a4.pdf
- https://static.usrfiles.com/ugd/b8c837_0e9824299a554abc8e5ff03263e283e4.pdf
- https://static.usrfiles.com/ugd/b8c837_870f38f1880f485db65ace1972aabca5.pdf
- https://static.usrfiles.com/ugd/b8c837_1cbe327c883940a3a231bbbf5d79917e.pdf
- https://static.usrfiles.com/ugd/b8c837_5eab6e5f27954af4a4513c4b51667fe7.pdf
- https://static.usrfiles.com/ugd/b8c837_eeb644a8260646139682e89063430a1d.pdf
- https://static.usrfiles.com/ugd/b8c837_c63e815e773a4c7ea93a1fa3253f668e.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/
- https://static.usrfiles.com/ugd/b8c837_05539e552f234596bace35d212021be7

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007013.bin` `a3ddff5a626dc17eb5b5738fb4bdb972e5232b686ac041ea00cc595f2f46eee1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7013	5024 bytes
`font_01_sfnt_off00008135.bin` `f09cedbda5542993748c81a67ec5eb9f2aba8d917438ee3c94d17cad1920e4bc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8135	12828 bytes

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