Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad970bf61da206a3…

MALICIOUS

PDF

40.8 KB Created: 2020-03-27 12:50:20 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: ab8831f3d170dcdfc3fc3be91d0e1766 SHA-1: c832aaa8ec27f47e5aa643d02fbf7e7304d29b55 SHA-256: ad970bf61da206a3a33225e7be8719dda6c1a3a2a1208f947b69b3bebc5d0c04
92 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to other PDF files hosted on various domains, indicating a link farm or SEO spam tactic. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves directing users to a network of potentially malicious or deceptive content via these embedded links.

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://blackfilmcentre.org/uploads/1/3/0/4/130490609/130490609.html#la+teor%C3%ADa+fundamentada+%28grounded+theory%29+metodolog%C3%ADa+cualitativa+de+investigaci%C3%B3n+cient%C3%ADfica
    • http://anjokids.net/uploads/1/3/0/3/130379696/0217c099f936d.pdf
    • http://tropweho.com/uploads/1/3/0/3/130312972/vimalatasijazawavab.pdf
    • http://mosaicinaction.com/uploads/1/3/0/4/130483656/2056969.pdf
    • http://potchtaxidermy.com/uploads/1/3/0/2/130288579/5561333.pdf
    • http://www.kappsarcherypoints.com/uploads/1/3/0/9/130969329/sazojilabakev_sajetigi_xuvuzujowumipu.pdf
    • http://journey-to-wellness.com/uploads/1/3/0/2/130271154/sodidewerisoza.pdf
    • http://gameplanuconnect.net/uploads/1/3/0/6/130604850/luzodusixomazovixad.pdf
    • http://eliserydemark.com/uploads/1/3/0/6/130639533/gebezekut_datofufavodeli.pdf
    • http://molim.net/uploads/1/3/0/4/130475981/4326e40b6f279d.pdf
    • http://doublemadness.com/uploads/1/3/0/5/130589252/4d0601f97250b.pdf
    • http://ways2life.com/uploads/1/3/0/7/130739713/d2ee0171cbb.pdf
    • http://89cougars30th.com/uploads/1/3/0/6/130604366/324300bea696c79.pdf
    • http://alxconstruction.net/uploads/1/3/0/6/130639916/gekuras-medali-dosiwejip-jijawezifiwuk.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_off00007016.bin
9e7af2995491b605303dae2ac6ae50587845d7c65f7188fbd85c4b0462804824		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7016 9268 bytes

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