PDF malware analysis — malicious · f45a0348c9c40128

MALICIOUS

PDF

67.1 KB Created: 2020-08-30 03:05:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b91c08d4068da355d611cd9bb6cedcf8 SHA-1: 73dcbdbcd9ea733c7ba094cb1b9ae7bd8435596b SHA-256: f45a0348c9c40128c7f57496e8a6b5fd073e32ae49f8525c113b09f07b792a05

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a significant number of external links, with one identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The embedded URL 'https://ttraff.com/wix?keyword=la+parure+resume' is likely the primary lure, directing users to potentially harmful content.

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=la+parure+resume
- https://static.usrfiles.com/ugd/c618e9_7c6a529b782149f1953dd1e7cb9b0646.pdf
- https://static.usrfiles.com/ugd/b8c837_e95555a83f284e1885e72a1b35a6328a.pdf
- https://static.usrfiles.com/ugd/b8c837_f6f01d067cf54a63b6bc79927bb47493.pdf
- https://cdn.shopify.com/s/files/1/0431/5139/2922/files/columbia_capital_allocation_aggressive_fact_sheet.pdf
- https://cdn.shopify.com/s/files/1/0437/6503/9261/files/witesilazubabugu.pdf
- https://cdn.shopify.com/s/files/1/0430/2218/8701/files/53548616100.pdf
- https://cdn.shopify.com/s/files/1/0431/5817/5908/files/32679499025.pdf
- https://static.usrfiles.com/ugd/b58d21_7361a56f98e24d0bada06aafd77c6c13.pdf
- https://static.usrfiles.com/ugd/b8c837_e175e5fc7a024085aeb4e680d025616e.pdf
- https://static.usrfiles.com/ugd/73cb9e_1d1bd1af80bf4770ad9c69e2242baae9.pdf
- https://static.usrfiles.com/ugd/b8c837_4c91929b26ac4a369e61d35d2d485e70.pdf
- https://static.usrfiles.com/ugd/299074_483f99c5782444df89316ed0d2fcd564.pdf
- https://static.usrfiles.com/ugd/289c5e_47bc3997f4fc4e1b96520cd8053848f7.pdf
- https://static.usrfiles.com/ugd/a107db_f2898089a7f246aca0b67e470c26bd7c.pdf
- https://static.usrfiles.com/ugd/b8c837_93b4572677104355af90d49a0f99de73.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_off0000c89e.bin` `0442ddb8b547356b6259efcd175c693602a37ddf8cfd8498c8d5fdeaec2495d6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC89E	4872 bytes
`font_01_sfnt_off0000d91a.bin` `7b1472b6b567ce54bf008a44e5b392fd29e382915f3236ea063447ff2bf14820`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD91A	12368 bytes

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