Malicious PDF — malware analysis report

Static analysis result for SHA-256 e69bbc49ae3d8b0e…

MALICIOUS

PDF

66.7 KB Created: 2021-08-10 15:24:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-27
MD5: 13fbdb0bf0259e363e71a23b5e392c9b SHA-1: 4ec752828f31d246d30198750f4a8ddd285cffaf SHA-256: e69bbc49ae3d8b0e086d7bb5407771bc70fd62537f68aab89bdfd02ec424e55c
154 Risk Score

Malware Insights

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

This PDF document functions as a link farm, directing users to multiple compromised websites. The presence of numerous links on disposable hosting and compromised CMS uploads indicates a phishing or malware distribution attempt. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6403

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/p9381nvqgme6nbrkhiit2c5v30/zavajefazenekitofofu.pdf In PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2f197a3ab---74351596727.pdfIn PDF document text
    • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160e1b9170596b---sofagaxetawowip.pdfIn PDF document text
    • http://nuocmambason.com/upload/fckimagesfile/fa7776b91b0b7770c1f5f17ca60468c8.pdfIn PDF document text
    • https://aspirans.com/files/file/xasifop.pdfIn PDF document text
    • https://clubsecurite.fr/webroot/upload/files/17813455344.pdfIn PDF document text
    • http://candientushinko.com/images/file/37513529710.pdfIn PDF document text
    • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/34794a0a7bf72071fa8586508f3acd09/temujifeludan.pdfIn PDF document text
    • https://iveducentar.com/uploads/assets/file/46215958588.pdfIn PDF document text
    • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091ba6966e71---gixizivolitokesigeruzodo.pdfIn PDF document text
    • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a615f4012fa---paxativokuwesixabokedi.pdfIn PDF document text
    • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/0307qltcmglm9e10b52rl5md35/vopozidodote.pdfIn PDF document text
    • https://amitadevnani.com/userfiles/file/lexuw.pdfIn PDF document text
    • https://bloomeng.com/uploads/renizaxepogerativis.pdfIn PDF document text
    • https://tonwen.org/userfiles/file/11838545334.pdfIn PDF document text
    • http://geyikkimya.com/userfiles/upload/file/tuvedifekigusunod.pdfIn PDF document text
    • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf31749d74---kaserowareduvifovepidu.pdfIn PDF document text
    • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c85282560d6---xiraxaxesekexog.pdfIn PDF document text
    • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/0cfa66940608688338a9d4f0dfe1bfed/29562863304.pdfIn PDF document text
    • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/givp1eddn7h4hc0e6cjofitded/bedibufimob.pdfIn PDF document text
    • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/f087894d1ae0509e7d92ab56aa6c2539/lewoloxebexizumofizukedoz.pdfIn PDF document text
    • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097e7320c319---pesonurenugipusavota.pdfIn PDF document text
    • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/mhq6kai8kmic6l2t0caljqprfd/lazasabugivuzi.pdfIn PDF document text
    • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/6b13fe9735382f6cd409c8f5ef8b6e19/tulazikabegutalejedeb.pdfIn PDF document text
    • https://meesens.be/KrMee/Tekstverwerker/81393656601.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=minna+no+nihongo+n5+workbook+pdfPDF link annotation

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