Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f31fc9c35cdb80a…

MALICIOUS

PDF

38.4 KB Authoring application: PDFedit First seen: 2020-09-24
MD5: 79f8f0750e20936b74ebd62999cbb1cf SHA-1: dd2f10002259b4d50099a6f80768f4f312c57a36 SHA-256: 4f31fc9c35cdb80ac24ee85ae8eb234975d584af709a0c7a6ca6d1d7e92720a4
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://mkingkreations.com/uploads/1/3/0/7/130739755/voneror_biwamegono.pdf In PDF document text
    • http://shaunartiscreationshcs.com/uploads/1/3/0/2/130287896/jumunizuv.pdfIn PDF document text
    • http://braveangelyoga.com/uploads/1/3/0/7/130776201/zutosuluma.pdfIn PDF document text
    • http://schulzlegal.ca/uploads/1/3/0/3/130323146/niwewopog_befuzupakuj.pdfIn PDF document text
    • http://lessons4life101.com/uploads/1/3/0/5/130539660/5702333.pdfIn PDF document text
    • http://ooredoopalestine.net/uploads/1/3/0/6/130639547/mujuli.pdfIn PDF document text
    • http://www.digitalbaseltd.net/uploads/1/3/0/5/130550952/ropufobekoz.pdfIn PDF document text
    • http://nurturingnursery.com/uploads/1/3/0/6/130603942/fefafolejalanujogadu.pdfIn PDF document text
    • http://kallenfordelegate.com/uploads/1/3/0/6/130604388/5ee409e0.pdfIn PDF document text
    • http://mylectro.com/uploads/1/3/0/3/130323301/migetes.pdfIn PDF document text
    • http://gabrielledrouin.com/uploads/1/3/0/5/130590244/2829be.pdfIn PDF document text
    • http://trios3dlab.com/uploads/1/3/0/7/130739427/c4f9d9a998f.pdfIn PDF document text
    • http://delicado.shop/uploads/1/3/0/4/130489771/9948610.pdfIn PDF document text
    • http://moringamaster.life/uploads/1/3/0/4/130483299/acaff2b75.pdfIn PDF document text
    • http://onestoptoolshop.shop/uploads/1/3/0/6/130621840/kovuzi_lelopewawokid_wolobepalej.pdfIn PDF document text
    • http://twosistersdips.com/uploads/1/3/0/6/130640179/368426.pdfIn PDF document text
    • http://pandalanguage.org/uploads/1/3/0/2/130271045/e1d45.pdfIn PDF document text
    • http://tagmasters.us/uploads/1/3/0/3/130379072/6179564.pdfIn PDF document text
    • http://mindraym5.radiologyequipmentstore.com/uploads/1/3/0/5/130588723/wememokesexa.pdfIn PDF document text
    • http://cannacanna.club/uploads/1/3/0/6/130621950/dexiside.pdfIn PDF document text
    • http://isasbest.net/uploads/1/3/0/8/130813373/zupogexiwosu_tewopimorire.pdfIn PDF document text
    • http://americaninfousa.net/uploads/1/3/0/5/130541188/sarosopinawe-dewebu-xetuzukitusolux-kiwan.pdfIn PDF document text
    • http://thepathofservice.org/uploads/1/3/0/7/130739886/gidabojosutize_vadani.pdfIn PDF document text
    • http://queenalexandra78ave.com/uploads/1/3/0/4/130475996/94cef3bbba54.pdfIn PDF document text
    • http://qwgiafvt.brdge.org/uploads/1/3/0/7/130738597/130738597.html#compounding+monthly+interest+formula+excelIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E0 8480 bytes
SHA-256: 4bceeb5f0f88046ac50372e5cc879b722a2d40eb1caccf30d492253a6214bf22