Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fe3cad8b1023656…

MALICIOUS

PDF

41.0 KB Authoring application: OpenOffice.org
MD5: e51daa69024bced3c63987c72590c0a3 SHA-1: dfca23c53a04f07446a9edc3774ca7e50cecea1f SHA-256: 7fe3cad8b1023656e3469f42a5faeda979aac883ac14cd3f5d298ca299951c6a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or traffic generation scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were extracted, the embedded URLs are the primary indicators of compromise, likely leading to further malicious content or phishing pages.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://koncgroup.com/uploads/1/3/0/6/130639605/togipumiwelek-sedazixexivexoj.pdf
    • http://revazofude.nembutaldelivery.com/uploads/2020/01/28/bipixonesel.pdf
    • http://proofoflife.com.au/uploads/1/3/0/5/130551935/bosobikofeso.pdf
    • http://natevehealth.com/uploads/1/3/0/4/130490151/zexuwirupamowe.pdf
    • http://oceannotions.com/uploads/1/3/0/4/130476519/lerakarowaset_gofumolapojav.pdf
    • http://more2dance.com/uploads/1/3/0/4/130483679/jagubiwuxe.pdf
    • https://fepudenaka.weebly.com/uploads/1/3/0/3/130313783/jaxatiberatif.pdf
    • http://mybrookfield.org/uploads/1/3/0/4/130476556/nefenijozo_lewevolusazi.pdf
    • http://jolyongray.com/uploads/1/3/0/3/130313150/mikezudamosoj.pdf
    • http://advance-it.net/uploads/1/3/0/6/130604344/130604344.html#kogama++free+pc
    • http://www.adobe.com/).Noto
    • http://www.google.com/get/noto/http://www.adobe.com/type/This
    • http://scripts.sil.org/OFLNoto

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001245.bin
134eef75cd41e04a81c6cdd847fa784218f354faa82cd5cca324d9d24bfa28ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1245 8496 bytes
font_01_sfnt_off00006131.bin
987ec97538a18e84a7e1e47f5ba460142673cacfaedf4915f9fddbfd4a61cf9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6131 4248 bytes

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