PDF malware analysis — malicious · 197046ec1283a6d0

MALICIOUS

PDF

43.1 KB Created: 2020-09-01 00:20:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5e9737718a694d03ec8e02a4da0a9982 SHA-1: 343fbe80cd92fb8e3ae129f0594e3a71c34426eb SHA-256: 197046ec1283a6d016546f0eb4db7299849f83dd66e250ba7e42976c9ce43b90

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file contains numerous embedded links, a significant portion of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to manipulate search engine results. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious 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=anne+frank%2527+s+diary+1999+movie
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/10e3af_0cd835201aec453089fdc80252716721.pdf
- https://static.usrfiles.com/ugd/136d07_4c6737fd270d44e8b080b980bce171ee.pdf
- https://static.usrfiles.com/ugd/fb5067_4ab0cedd3cfe469cb54f8ce1c87d1929.pdf
- https://static.usrfiles.com/ugd/9ea91e_e06850d2f1d84f94b7c709e49c7b203b.pdf
- https://static.usrfiles.com/ugd/89363e_034e84cc469149648fed2883c6f493a8.pdf
- https://static.usrfiles.com/ugd/73c254_b69ab21490884bb591a6558cfe68c5b6.pdf
- https://static.usrfiles.com/ugd/b8c837_50c2136ffa7a4ac988b5cd84905a140d.pdf
- https://static.usrfiles.com/ugd/2c608b_238f380e6ee9420b943976624aed020c.pdf
- https://static.usrfiles.com/ugd/a44510_f658d57d190549cabb71c35b2b298f9f.pdf
- https://static.usrfiles.com/ugd/e6092c_fa850a8219f649eaa3d52e06003b208f.pdf
- https://static.usrfiles.com/ugd/7041e4_8e6f97e81ad349cb85eb4b32764f44da.pdf
- https://static.usrfiles.com/ugd/b8c837_c9480f7a8b664adbb95a5b2b15bbd69b.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_off00006648.bin` `8cdba97e8ee6aa713950a342691f5be7c6217ead8f6dcd0bd9ebe358e039f9bb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6648	5480 bytes
`font_01_sfnt_off000078f1.bin` `3e3ec5d94272ba4905b5ec72771c5f888f59857ed3369201707c8a7991948294`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x78F1	13312 bytes

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