Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3d3d2b5165d65ff…

MALICIOUS

PDF

37.1 KB Created: 2020-04-01 11:29:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 04c4bc5b6f829aaf920882052565d2d3 SHA-1: 4a6de0b6a576bdf45fc592c9fb40b609f1fabdb9 SHA-256: e3d3d2b5165d65ff318bc454e09e03a5a363487f6c321bfe11e488a897fd6fd4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous external links, a common technique for SEO manipulation and potentially distributing malicious content. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to URLs, suggesting a lure to external sites. No scripts were extracted, limiting the analysis of direct payload execution.

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://stratford-hvac.com/uploads/1/3/0/2/130270864/130270864.html#palabras+con+4+letras+o
    • http://senslearn.com/uploads/1/3/0/7/130775012/06f7160.pdf
    • http://thecollectivespace.co/uploads/1/3/0/5/130544240/kiput.pdf
    • http://kimberlysway.com/uploads/1/3/0/6/130604938/7ddf1.pdf
    • http://assist-vie.com/uploads/1/3/0/2/130288430/bajatevaluxebub.pdf
    • http://atlanticcoastedx.com/uploads/1/3/0/9/130969644/8b6acc581675.pdf
    • http://shopjaysoffroadgear.com/uploads/1/3/0/8/130874610/xezetedubozelusabipa.pdf
    • http://awasanou.com/uploads/1/3/0/6/130620672/sagevamulevozexulef.pdf
    • http://giftsfromtheriver.com/uploads/1/3/0/6/130604269/mekofajakefaz.pdf
    • http://parentsonduty.org/uploads/1/3/0/6/130621258/6861416.pdf
    • http://mccft.org/uploads/1/3/0/8/130874153/5409644.pdf
    • http://httpgiannasbeauty.com/uploads/1/3/0/7/130740504/1279018.pdf
    • http://undefendedheart.us/uploads/1/3/0/4/130483413/litobumi.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_off00006602.bin
f9ad392d0dad148288fa22397fd6b91178c70d5fe82c3a2284359c3cb903691d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6602 9116 bytes

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