PDF malware analysis — malicious · eb91eb88c805dc18

MALICIOUS

PDF

39.3 KB Created: 2020-09-02 12:40:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2b79929907b4be650ccf6df994b0823c SHA-1: 993e8e85d9f2f9aef885732329951c1bef53ba5b SHA-256: eb91eb88c805dc1864e7efb6789e409ab3934beb18d36ec5241f8d502b3433df

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm and a specific redirector URL that is flagged as malicious. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure related to a movie title. The ML classifier strongly indicates maliciousness, and the PDF structure suggests it's designed to drive traffic to external, potentially harmful, sites.

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.link/wix?keyword=attila+full+movie
- https://static.usrfiles.com/ugd/8ab72e_094e6e250ec44a978aead3b01b951c24.pdf
- https://static.usrfiles.com/ugd/b8c837_1b9361337e3c4159b927b7c2c566d5a9.pdf
- https://static.usrfiles.com/ugd/b8c837_6ed78aad2bad426683c752065a27b131.pdf
- https://static.usrfiles.com/ugd/a2ebd8_766d1d83f81e431eb12495d55d919057.pdf
- https://static.usrfiles.com/ugd/97aff7_43f9b002dfb64fd7b4bc1f23908a3695.pdf
- https://static.usrfiles.com/ugd/191a6d_25f9f3382689474698db1398e7d2837e.pdf
- https://static.usrfiles.com/ugd/55e2c6_6cecdbee7d654e2381bda07e7a538693.pdf
- https://static.usrfiles.com/ugd/516574_eaa43961f1fc428a83fdce58c0546893.pdf
- https://static.usrfiles.com/ugd/362633_812b1c1337dc4a8db25ee82bdcb8785b.pdf
- https://static.usrfiles.com/ugd/b8c837_3011a4f3a1d545b59a2c0ab3f6444fef.pdf
- https://static.usrfiles.com/ugd/a467d2_09cb1deb39f64667952eb955882fd9b0.pdf
- https://static.usrfiles.com/ugd/41f880_0ae22b8f1bed42b0b4662bb5d334c4a5.pdf
- https://static.usrfiles.com/ugd/b42fd6_7d81434b231f43e4ba15b688f60611ad.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_off00005e65.bin` `6fcbf6719d6328c29942a5f302ff0d9fed92c42d9ae278161d3fa7f819427385`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E65	4688 bytes
`font_01_sfnt_off00006e54.bin` `6da70d4a46b4c34071f3505421da5d1c6bf0cb7592da3952498ec062fa4d89fb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E54	10084 bytes

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