PDF malware analysis — malicious · f625d08fe07b989e

MALICIOUS

PDF

39.4 KB Created: 2020-08-29 18:52:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7007207a933e34832c4175735709f7e8 SHA-1: 570712f84d95860b5eadc94b37376d81df9176f4 SHA-256: f625d08fe07b989e9396a87c893f10f7cd4ddcd93009db5e47d0e3387b895c95

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains multiple embedded links, with one identified as a malicious redirector. This redirector, 'https://ttraff.ru/wix?keyword=frank+turner+linoleum+chords', is likely part of a phishing or malware distribution chain. The presence of a large number of external PDF links also suggests a link farm, potentially for SEO manipulation or to obscure the malicious redirector.

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.ru/wix?keyword=frank+turner+linoleum+chords
- https://static.usrfiles.com/ugd/38bf1f_f3d08f04339340ad9ba135664d15e10c.pdf
- https://static.usrfiles.com/ugd/921909_3e5daa7d0a9944358783a8841e447003.pdf
- https://static.usrfiles.com/ugd/b8c837_7963a5d28ff3418eb938050d1d49058c.pdf
- https://static.usrfiles.com/ugd/b8c837_aaf9192b759d4957b97fc0fac42a4e34.pdf
- https://static.usrfiles.com/ugd/b8c837_a8977a81fa1544d79f2289a7fe1f5aff.pdf
- https://cdn.shopify.com/s/files/1/0434/0462/4021/files/64336407226.pdf
- https://static.usrfiles.com/ugd/b8c837_57d564a4fd134b08b55684e92cca70d1.pdf
- https://static.usrfiles.com/ugd/b8c837_0a5b9655f91b4c0ba1acc5a93a23f9d9.pdf
- https://static.usrfiles.com/ugd/74a852_1504d054e65440b28e20f160ffc428eb.pdf
- https://static.usrfiles.com/ugd/b8c837_5aa3f896230945578a6b157d82e877e6.pdf
- https://static.usrfiles.com/ugd/b8c837_e4c465ee7e6a408c8d8be83b0200bc22.pdf
- https://static.usrfiles.com/ugd/b8c837_9fc9a486b9604967a546ce3f8cd15726.pdf
- https://static.usrfiles.com/ugd/4d6844_fb6255433d46459b81bdd42cac54c987.pdf
- https://static.usrfiles.com/ugd/b8c837_28fac90fa32549fab076ee66f0d9fae5.pdf
- https://static.usrfiles.com/ugd/b8c837_d5c930cd192341068dc5cb433cd6616b.pdf
- https://static.usrfiles.com/ugd/b8c837_c8a3b5f26b1c43e3b0c78f03e4a0e224.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_off00005238.bin` `f72d170fc47627158ba927c05c6a43ec4e2dcc935c951a16c7f23b4b4a19f1be`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5238	5196 bytes
`font_01_sfnt_off000063b3.bin` `9fa3049a0217b451879fb869e6fb194242a63744519424c8a3b8e98eb1462c28`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63B3	14572 bytes

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