PDF malware analysis — malicious · 5e3632098b287811

MALICIOUS

PDF

39.3 KB Created: 2020-09-01 02:21:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4ba7b3ffedc58799df957a06a7f9a806 SHA-1: 67056b06e6002b7a0dc1256fc34f41ef562c0c5e SHA-256: 5e3632098b28781111940dece5759c7fb36249a96eec73e8455637898b68876a

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many of which point to a link farm designed to redirect users to potentially malicious content, specifically identified by the 'ttraff.cc' redirector. The ML classifier strongly indicated maliciousness, and the embedded URLs are a primary indicator of this phishing or scam attempt. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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.
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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.cc/wix?keyword=add+screenshot+in+extent+report+c+specflow
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/158fb9_b11b4c68e418470b8b55be9af58d7d8e.pdf
- https://static.usrfiles.com/ugd/b8c837_4ce135a009d34bf4953121ac45d1f506.pdf
- https://static.usrfiles.com/ugd/b8c837_cccd7666d35b4f31b5006d3dee36f7cc.pdf
- https://cdn.shopify.com/s/files/1/0438/7491/0376/files/xomatazilotojajejeji.pdf
- https://cdn.shopify.com/s/files/1/0432/5713/5257/files/xadopisufasidojo.pdf
- https://cdn.shopify.com/s/files/1/0452/1938/1399/files/niwubonumikopesupetizuz.pdf
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/2977121289.pdf
- https://cdn.shopify.com/s/files/1/0433/4583/8239/files/63645823514.pdf
- https://cdn.shopify.com/s/files/1/0431/1715/0368/files/zonivi.pdf
- https://static.usrfiles.com/ugd/b8c837_1b6e61671bf14258ab38b24dae5e0cb3.pdf
- https://static.usrfiles.com/ugd/b8c837_29e5d4c05720453e9c6e518904891e01.pdf
- https://static.usrfiles.com/ugd/73cb9e_ee3bdcb0caa54d50ac5d80438d56cea3.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/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005754.bin` `2baf94275a0490a0d264344c19609790df2c314499f7e88ad0a6f521b6bdc79e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5754	5184 bytes
`font_01_sfnt_off0000690f.bin` `ea28679e3770e3095d73a92d94473482c64b498128c69babdba932cd278c6e01`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x690F	12300 bytes

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