PDF malware analysis — malicious · 7d0c61e26f405321

MALICIOUS

PDF

35.2 KB Created: 2020-08-29 18:29:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c6a8f47a3180f2ed2e84f617e3d02571 SHA-1: 038fcc1967aeaa26be488efb728286530b58c7cd SHA-256: 7d0c61e26f405321922cea9af41df983849ea40ce01602c60a87e0b3562e1d93

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is ttraff.com, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to the malicious URL and other PDF files, suggesting a link farm or redirection scheme designed to lead users to harmful content. The ML classifier also strongly indicated maliciousness.

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=dremel+moto+shop+571-5+manual
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_706b2c4640fb4361a657538c134bb587.pdf
- https://static.usrfiles.com/ugd/b8c837_b4c44efe4ad84f37af5feb168a81ae37.pdf
- https://static.usrfiles.com/ugd/b8c837_73c01e9f6fc3485c9e71736f766de4b6.pdf
- https://static.usrfiles.com/ugd/b8c837_2cf00943d679463c918135587e9072b0.pdf
- https://static.usrfiles.com/ugd/b8c837_a890250f56a84113a07372589ff5293c.pdf
- https://static.usrfiles.com/ugd/b8c837_e0de796fada64556b4cb00baf59f5ec7.pdf
- https://cdn.shopify.com/s/files/1/0428/5235/2156/files/tagejusutejegejanumoxo.pdf
- https://cdn.shopify.com/s/files/1/0434/8251/3570/files/amomum_cardamomum.pdf
- https://cdn.shopify.com/s/files/1/0437/7876/9045/files/zomowubibikogajamujo.pdf
- https://cdn.shopify.com/s/files/1/0431/3491/0618/files/kezirifefobe.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_off00004bd5.bin` `0246889f55fee73c65e754c4557d37a632c371fdb8f9a114624dacb4727a4b28`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4BD5	5344 bytes
`font_01_sfnt_off00005df2.bin` `0b8499c6276cca5f228af902d631e84b32ab4b3b2be8bb2f21e61a822207b924`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DF2	10080 bytes

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