PDF malware analysis — malicious · ffbaaaa6ad61a06e

MALICIOUS

PDF

84.6 KB Created: 2020-08-29 06:43:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 41ccf014680c6b1ccee03d28dda1ce03 SHA-1: 000ddb1753fac25523e0c81f0aa640354b774949 SHA-256: ffbaaaa6ad61a06e77177da5f2209197bb152e772653372740955494ef27eba7

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link. This link, https://ttraff.club/wix?keyword=lacn%25C3%25A9+Les+paul+%25C5%25A1t%25C3%25BDl+gitary, is likely part of a phishing or malware distribution campaign. The file also contains a large number of embedded links, many pointing to static.usrfiles.com, which is flagged as a link farm. No scripts were extracted from this sample.

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.club/wix?keyword=lacn%25C3%25A9+Les+paul+%25C5%25A1t%25C3%25BDl+gitary
- https://static.usrfiles.com/ugd/b8c837_f454f3447d4a4f27ac240a43d40afa8a.pdf
- https://static.usrfiles.com/ugd/b8c837_292e57e6f54449f19591ea43a18221a3.pdf
- https://static.usrfiles.com/ugd/b8c837_2f587eeae5dd4c36b66325d0e668e7d3.pdf
- https://static.usrfiles.com/ugd/b8c837_1e7f2a2cf1e24d5ea953e899b68cfa04.pdf
- https://static.usrfiles.com/ugd/b8c837_f03054af6d0643b48543cb0a14d3a541.pdf
- https://static.usrfiles.com/ugd/b8c837_92d019ecb801464db47676ffecc597f4.pdf
- https://static.usrfiles.com/ugd/b8c837_b78055f4d46e43aabdc759bd590ecc76.pdf
- https://static.usrfiles.com/ugd/b8c837_aa2cf6b96ada42b1abdcefda0868898e.pdf
- https://static.usrfiles.com/ugd/b8c837_d7bd322d462846029e28b47c62fb6ed6.pdf
- https://static.usrfiles.com/ugd/b8c837_90644722b4944c36be91780c1542a9de.pdf
- https://static.usrfiles.com/ugd/b8c837_3270bd92a9ed44c6a1e819e0cae4c74f.pdf
- https://static.usrfiles.com/ugd/b8c837_9aa987e31c1e4cac87bde6b4e79663a4.pdf
- https://static.usrfiles.com/ugd/b8c837_a6fa92e436784cf9956ea7197c1b1fa1.pdf
- https://static.usrfiles.com/ugd/b8c837_1669f77a8efc4cfb815a8570660e00f2.pdf
- https://static.usrfiles.com/ugd/b8c837_56a93c25b40a4abdb5888578d90f060e.pdf
- https://static.usrfiles.com/ugd/b8c837_0f34881082f443179742b4bc386973c3.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_off00010738.bin` `cd5d0bf0ea1a32d35aa1841ac93f20bfacc68018a023442a87ef498683a99de7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10738	5616 bytes
`font_01_sfnt_off0001196d.bin` `ffabf27202bc90bf93cf68b047e807fc69e2e996aedec8d65ebfe705b526e8e7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1196D	14248 bytes

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