Malicious PDF — malware analysis report

Static analysis result for SHA-256 25dfbeb12046d2cb…

MALICIOUS

PDF

38.1 KB Created: 2020-04-08 11:52:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 011711b907dc6aba1470c28419fe9092 SHA-1: 6853674749263e274eff04a03097d4d8f5ec1cf9 SHA-256: 25dfbeb12046d2cb54b01b2a464050710161778fd3a6bcdace0a8e7412c4628e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection tactic. The ML classifier also strongly indicated maliciousness. The document body contains a URL that points to an HTML file with a suspicious title, and numerous other PDF URLs are embedded, indicating a likely attempt to direct users to potentially malicious content hosted on various domains.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://avidaenglish.com/uploads/1/3/0/6/130621371/130621371.html#destruction+warlock+stat+priority+8.1
    • http://creationbygrace.com/uploads/1/3/0/8/130874016/sedopenu.pdf
    • http://limitlesshealthandfitness.com/uploads/1/3/0/3/130313177/7065918.pdf
    • http://tjrothconstruction.com/uploads/1/3/0/2/130287837/nijemafapir.pdf
    • http://keylinepie.net/uploads/1/3/0/4/130435697/lufaratutoguri-xosefisujeto-pemiwabemi-guzivuw.pdf
    • http://makingmilk.org/uploads/1/3/0/6/130620443/2422814.pdf
    • http://erinferree.com/uploads/1/3/0/4/130477455/rotisemagiwawupux.pdf
    • http://hiranialuzardo.com/uploads/1/3/1/3/131382133/7202510.pdf
    • http://fawcettfunnyfarm.com/uploads/1/3/0/5/130590058/2795963.pdf
    • http://nicklibonati.com/uploads/1/3/0/5/130590325/fugesix-pebipa-wubenomixojuni.pdf
    • http://allidarrowvoices.com/uploads/1/3/1/3/131384709/6932767.pdf
    • http://www.venturowatches.com/uploads/1/3/1/4/131411088/letaj.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006e81.bin
8aa459cef3ac1eefc6e91b9238c5c930eb962ba30d9e80c2e6ff78ddce0b1f0e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E81 7376 bytes

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