PDF malware analysis — malicious · 6b06be7db2c03d25

MALICIOUS

PDF

45.2 KB Created: 2020-08-29 22:49:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8c014e30c17cd16926091a16a3d036ff SHA-1: f2280fa1d42d0f4fc1dfba506af5dbd78c24c708 SHA-256: 6b06be7db2c03d254fd9aa8055cca2c944925d2038a358c3e3d29bbb952b8830

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external PDF links, many of which are hosted on Shopify. The ML classifier also strongly indicated maliciousness. The primary IOC is the redirector URL, which is likely used to funnel victims to a malicious site.

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.com/wix?keyword=r%25C3%25AAu+minifiss+l%25C3%25A1+n%25C6%25B0%25E1%25BB%259Bc
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5863/3631/files/43718490339.pdf
- https://cdn.shopify.com/s/files/1/0431/3550/0439/files/best_novels_of_all_time.pdf
- https://cdn.shopify.com/s/files/1/0460/9703/9524/files/lumabokanegevuroxi.pdf
- https://cdn.shopify.com/s/files/1/0428/5123/8047/files/adolescent_friendly_health_services.pdf
- https://static.usrfiles.com/ugd/b8c837_bd283b680f7540edaa1e482e831b5bc9.pdf
- https://static.usrfiles.com/ugd/b8c837_c93d21e7dd764e2ea686265d444ccb34.pdf
- https://static.usrfiles.com/ugd/b8c837_6c3396a730224ef3be5a2a9c5f2265b8.pdf
- https://static.usrfiles.com/ugd/b8c837_f36935d220e1433e9046aa06795b78b8.pdf
- https://static.usrfiles.com/ugd/b8c837_5a164e274e074c4691f89bf68ad0e054.pdf
- https://static.usrfiles.com/ugd/b8c837_727369acb38440cc9e82b2393f2d1ed3.pdf
- https://static.usrfiles.com/ugd/b8c837_6ac85aa85a6c4456be04a1ff789b1937.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_off00006752.bin` `288c3ac61105b68d0a98de917f26840605ab6f5af24df25b90a543db55b82169`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6752	5412 bytes
`font_01_sfnt_off00007932.bin` `582e58bfdb452c57a2c2785b22363ca8612a1c743da959b56a5ae12f4fd5a39a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7932	15432 bytes

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