PDF malware analysis — malicious · f0e51a9c0c5469c4

MALICIOUS

PDF

45.0 KB Created: 2020-09-03 13:26:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 25f7aaa8f272b43fb39cd33489242695 SHA-1: 850a69c34c6416771279a9c16b1128310c722a3f SHA-256: f0e51a9c0c5469c4bfa8775d01e399ff201b57d133bade1ffef7137b1bf5b853

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm designed to improve search engine rankings, with one prominent link directing to a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.link/wix?keyword=epson+l805+adjustment+program+resetter', which is flagged as malicious. This suggests the PDF is a lure to redirect users to potentially harmful content, likely for SEO poisoning or phishing.

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=epson+l805+adjustment+program+resetter
- https://static.usrfiles.com/ugd/87d215_93b18d0a0172489f982647528485ad8a.pdf
- https://static.usrfiles.com/ugd/ac72e0_e27f92a642cd410ba4d2c16629a5acec.pdf
- https://static.usrfiles.com/ugd/b222ea_15e5c5c7ea55468cb5388e9b7ee43c32.pdf
- https://static.usrfiles.com/ugd/0bfb20_1c5b1b3184d84d09868858091e851551.pdf
- https://static.usrfiles.com/ugd/a8ca0f_b47a7a05f95742559583a2eb482f3092.pdf
- https://static.usrfiles.com/ugd/b8c837_4c69bdd5ea6641f28ed114ab42664ee6.pdf
- https://static.usrfiles.com/ugd/b28561_9e2796619f5b401192430fdfca74bb20.pdf
- https://static.usrfiles.com/ugd/739437_97e482582bba499db7ef782dc1b552f2.pdf
- https://static.usrfiles.com/ugd/40336e_9121d115f3d740979bea7fd1881b766d.pdf
- https://static.usrfiles.com/ugd/edb4a7_25eaa2166f374e2f9c2ca25607ecfa5f.pdf
- https://static.usrfiles.com/ugd/ce77c6_b5436d50ac9247a883abea017d9a2873.pdf
- https://static.usrfiles.com/ugd/0dd040_390c4c4bd340447d93875bf67c4e2c08.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_off000070e1.bin` `2a8e7572ab352b8ed516d88bf02357aa2bd8c1f4145fb3e473deaee68d53f647`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70E1	5772 bytes
`font_01_sfnt_off0000847e.bin` `5f6cfef3ea8a36815f357ba37044e17c550688170b91c1a2a9595941b892d676`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x847E	10068 bytes

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