Malicious PDF — malware analysis report

Static analysis result for SHA-256 72ac00ceee19c4f3…

MALICIOUS

PDF

50.0 KB Authoring application: LibreOffice
MD5: 151f8a532d25e20db83f3edd3cde59f0 SHA-1: c63f7d1ec8b7cd3b19b45979db0ab63477dbb1c8 SHA-256: 72ac00ceee19c4f3d39bdada36cb4bf1b66aec3eff1c4452a23f1b5c16f2b7a7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, many of which point to other PDF files hosted on various domains. This suggests a link farm or redirection scheme designed to lead users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://newcastlenetworkinggroup.com/uploads/1/3/0/5/130544437/7161456.pdf
    • http://pida.sakp.tech/uploads/2020/01/29/zikavubulazofube.pdf
    • http://americanasdobrasil.com/uploads/2020/01/28/6384045.pdf
    • http://batasadep.nhatminhphoto.online/uploads/2020/01/27/6674862.pdf
    • http://xamanismo.info/uploads/1/3/0/4/130488493/b79b549b0eb973e.pdf
    • https://nujesusapojedot.weebly.com/uploads/1/3/0/4/130483879/nodimizutesuxid.pdf
    • http://beatwood.eu/uploads/1/3/0/4/130483309/cc8c1.pdf
    • http://armydarkshadows.net/uploads/1/3/0/6/130621076/xotetigake.pdf
    • http://11-podarok.pw/uploads/2020/01/27/5527461.pdf
    • http://fime.strouvse.ru/uploads/2020/01/28/5344968.pdf
    • http://cgccc.com/uploads/1/3/0/6/130620622/bofivived-natesakapizife-fuzuwipakezen.pdf
    • http://mosquitomaster.net/uploads/1/3/0/6/130621233/vulexufusonoborob.pdf
    • http://pixbymitch.com/uploads/1/3/0/3/130323532/130323532.html#cours+d%27+automatisme+et+regulation+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000015ac.bin
bf52725cadb84ec773f4db80c7b91950ddcee0d945a89fd980bcc98f9f72bf44		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15AC 10856 bytes

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