PDF malware analysis — malicious · 9e25e4cf23a65f85

MALICIOUS

PDF

39.7 KB Created: 2020-08-31 05:01:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a449209e0dfa2c84857e15109e54911d SHA-1: 08d9d4a75bc1ecf153f30def049c67caed807768 SHA-256: 9e25e4cf23a65f8529c5a4f22ddd3db4e00c5ad78ce8813fa7d2f797d64e5e87

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external PDF links, indicative of a link farm. The embedded URL `https://ttraff.com/wix?keyword=yamaha+f90+parts+manual` is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to a 'yamaha f90 parts manual', suggesting a lure to entice users to click on the embedded malicious links.

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.com/wix?keyword=yamaha+f90+parts+manual
- https://static.usrfiles.com/ugd/b8c837_0b6596033ebe41459a3f3a90c3985e06.pdf
- https://static.usrfiles.com/ugd/299074_b746897e6a504ee0b0d9d55ce34105b6.pdf
- https://static.usrfiles.com/ugd/5bb01c_2197487db0954cfea22887c19709988c.pdf
- https://static.usrfiles.com/ugd/b8c837_432cfe9ff0eb48fca92d68034e3bf6a2.pdf
- https://static.usrfiles.com/ugd/b8c837_d43b6ec7328043178df670c7166d41a8.pdf
- https://cdn.shopify.com/s/files/1/0438/0203/4336/files/beach_club_jimmy_john_s_nutrition_information.pdf
- https://static.usrfiles.com/ugd/afe78f_f4100f3f21b449338b0a5079b8b54c65.pdf
- https://static.usrfiles.com/ugd/b8c837_c79c943256d14015b099db9231fb7bbd.pdf
- https://static.usrfiles.com/ugd/88a84f_57b02927953643c299cedd8afc0aa658.pdf
- https://static.usrfiles.com/ugd/b8c837_fdac5216c419411fbf86e9ccc374eabb.pdf
- https://static.usrfiles.com/ugd/b8c837_cade67cea84a41fc9e88258cc3f9f00a.pdf
- https://cdn.shopify.com/s/files/1/0429/3410/8323/files/corrugated_sheet_screws.pdf
- https://cdn.shopify.com/s/files/1/0462/7539/5744/files/godetobotaropo.pdf
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/43055158725.pdf
- https://cdn.shopify.com/s/files/1/0432/5467/7662/files/sezedotuketus.pdf
- https://cdn.shopify.com/s/files/1/0427/9985/7823/files/wumone.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_off000059ff.bin` `c18721cbf4c43166b312b58c7c6178f793b7b0d8f68c9be7315841cf9ed2b69d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x59FF	5400 bytes
`font_01_sfnt_off00006c30.bin` `745f630a65c2f1fa3c89c279e9b79127ef77ae67eb9b1b27bb729f7888db88b3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C30	11084 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.