PDF malware analysis — malicious · 9318cbd5b59d511b

MALICIOUS

PDF

42.9 KB Created: 2020-08-30 04:52:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9c602e9f9f0d0e70a084a663529fd2f3 SHA-1: b483d3037896ab29121c0dd1303e60f2c7e37aca SHA-256: 9318cbd5b59d511b66963459c6c337a33135a9e02f31d3421be6187c895f005f

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=rockshox+xc32+manual'. Additionally, it exhibits a PDF link farm behavior with 28 external links, many pointing to benign content but originating from a potentially malicious redirector. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated, but the presence of the malicious redirector is a strong indicator of a phishing or redirection attack.

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.me/wix?keyword=rockshox+xc32+manual
- https://static.usrfiles.com/ugd/b8c837_95c02251716544b8ba687ac2450d4888.pdf
- https://static.usrfiles.com/ugd/6908d7_33351d22fe2441ae81c43a862ec63a74.pdf
- https://static.usrfiles.com/ugd/b8c837_e28f30ce82144481a06ca84e8cbf376e.pdf
- https://static.usrfiles.com/ugd/b8c837_3de774401a19459cab34877a8135017a.pdf
- https://cdn.shopify.com/s/files/1/0440/3062/3894/files/tubilupawejopiro.pdf
- https://cdn.shopify.com/s/files/1/0427/4877/2508/files/maredofoxogafufoze.pdf
- https://cdn.shopify.com/s/files/1/0436/1306/1277/files/85060884453.pdf
- https://static.usrfiles.com/ugd/b8c837_4f430eee9e9b442993b1fc04c3d562ac.pdf
- https://static.usrfiles.com/ugd/9e53d4_01160bb7954c489b8a57903b60cc76cd.pdf
- https://cdn.shopify.com/s/files/1/0432/4166/8770/files/24260564761.pdf
- https://cdn.shopify.com/s/files/1/0431/7885/2507/files/celina_isd_calendar.pdf
- https://cdn.shopify.com/s/files/1/0431/5381/7749/files/87313079041.pdf
- https://cdn.shopify.com/s/files/1/0431/1610/1798/files/92433827025.pdf
- https://cdn.shopify.com/s/files/1/0431/0473/1300/files/tetaloturuzinutadap.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005ac1.bin` `459f7038566b23085397cc745d8581b9c6adf2b58e93b4357d3f27a75fbc8ef1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5AC1	5016 bytes
`font_01_sfnt_off00006b92.bin` `47fbf12c8820c960bf3fb767567215bf39d3aa9f578c1db8cbfde261a889b98a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B92	11036 bytes
`font_02_sfnt_off00009123.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9123	4324 bytes

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