Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6e95c4b06e614b6…

MALICIOUS

PDF

66.7 KB Created: 2021-09-11 23:49:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-04
MD5: 26ec17c3febc0c5b8a9d00f88a81a748 SHA-1: 070232ff77a6e9a372cb0a5d845c6d7626865922 SHA-256: b6e95c4b06e614b6fd187231cbc17045846f0d890eda022b7941c1b0876f5d6c
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5194

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/74486505930.pdf In PDF document text
    • http://tuderprogettazione.it/userfiles/files/86254345512.pdfIn PDF document text
    • https://y3stwk65l-mn9.com/contents/files/kanigaxipagedexijoxokip.pdfIn PDF document text
    • http://stilistspb.online/public/files/uploads/files/zuvuzetumed.pdfIn PDF document text
    • http://hiniceshine.com/upload/modabezawizigezabuvezine.pdfIn PDF document text
    • https://kit-veron.my/ckfinder/userfiles/files/79796519274.pdfIn PDF document text
    • http://phutunggiahungoto.com/uploads/files/94921246058.pdfIn PDF document text
    • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134166c46fcd---78171573925.pdfIn PDF document text
    • https://zenithservicos.com/userfiles/files/56673581377.pdfIn PDF document text
    • http://csc0311.com/userfiles/file/20210905025724_r3wos7.pdfIn PDF document text
    • http://c2r-auto.com/uploadfiles/file/2021090420074373499.pdfIn PDF document text
    • http://clairerolo.com/userfiles/file/48258893484.pdfIn PDF document text
    • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/b4de1c983a9c216e8b08417ab9a8f909/67311563798.pdfIn PDF document text
    • https://value.ae/userfiles/file/71421042964.pdfIn PDF document text
    • http://debseven.net/UserFiles/File/busukalagemevutexunip.pdfIn PDF document text
    • https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/bisawusogelivox.pdfIn PDF document text
    • http://getwealthythisyear.com/ckfinder/userfiles/files/89675947338.pdfIn PDF document text
    • http://nyett.hk/uploads/news/files/6101740725.pdfIn PDF document text
    • http://phdpecs.hu/userfiles/files/jopegunor.pdfIn PDF document text
    • http://4998horo.gmmwireless.com/contents/files/wilomakewowibubesile.pdfIn PDF document text
    • http://interstyle.org/content/xuploadimages/file/47427341277.pdfIn PDF document text
    • http://shiny-baby.com/fileimage/file/jumijinalokopumifaw.pdfIn PDF document text
    • https://techlan.pl/files/file/2064759678.pdfIn PDF document text
    • https://aksukartela.com/images_upload/files/pabupepor.pdfIn PDF document text
    • http://szao-spb.ru/images/news/file/govepegosufurodibavoj.pdfIn PDF document text
    • https://iagclaims.endataclaims.com/ModCoreFilesUploaded/file/34246509105.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+create+new+xml+file+in+android+studioPDF link annotation
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d993.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD993 18228 bytes
SHA-256: 058de914919c56b3748a88469cb3c1fb582516111c7a7f9420b97c14abb2b061

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