PDF malware analysis — malicious · 2a3dd074b5c6401f

MALICIOUS

PDF

33.9 KB Created: 2020-08-30 03:43:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 13678beb3ee7624315b4afd46a9f5175 SHA-1: f72599c846b2b872f3c7762a6bce5536e985941e SHA-256: 2a3dd074b5c6401fa7094fbc1c27661d5785601127410af0a6021c984b339ebd

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to SEO-optimized PDF files hosted on Shopify. One of these links, however, leads to a known malicious redirector. The document body itself appears to be corrupted or malformed, but the presence of the malicious redirector and the link farm suggests a phishing or malicious content delivery attempt.

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.me/wix?keyword=transformers+4+full+izle+t%2525C3%2525BCrk%2525C3%2525A7e+dublaj+indir
- https://cdn.shopify.com/s/files/1/0428/4229/2391/files/voxedokolidonekiraxusupex.pdf
- https://cdn.shopify.com/s/files/1/0431/3910/4930/files/94449365304.pdf
- https://cdn.shopify.com/s/files/1/0429/5737/3589/files/rovowan.pdf
- https://cdn.shopify.com/s/files/1/0435/4624/7332/files/68742097456.pdf
- https://cdn.shopify.com/s/files/1/0432/7460/0598/files/41312795342.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fawalonilon.pdf
- https://static.usrfiles.com/ugd/32acb1_fe53de62429844f2a860712ac2b21603.pdf
- https://static.usrfiles.com/ugd/b8c837_2834bcfd68bd46e392f192ff386ad85c.pdf
- https://static.usrfiles.com/ugd/b8c837_44c12939e27449dca1e76783b80fd58e.pdf
- https://static.usrfiles.com/ugd/455f95_37e72e8fa3da460c8c772ec2711113c5.pdf
- https://static.usrfiles.com/ugd/9c43ec_a1aa953081914818b16b0c6fe4adb722.pdf
- https://static.usrfiles.com/ugd/3bca44_403e7f5b530749d4bfb5f2cf58bb13b5.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_off00004476.bin` `c74c321a3bb86031e0f8547dc95d61513a0d0e8bac1fcc49d3ebb529a5c72c64`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4476	5724 bytes
`font_01_sfnt_off000057a6.bin` `7c6cde9a68102e9ee2562a2f7fb22ecf0ad068171aec300227f7b23845e72727`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x57A6	9636 bytes

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