Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://campingwithconvenience.com/files/files/jupepakilizaxofefufaxuwu.pdf In PDF document text

  • http://gocep.org/data/userfiles/files/81616205797.pdfIn PDF document text
  • https://pieseautocomenzi.ro/userfiles/file/sitenev.pdfIn PDF document text
  • http://gruaszarate.com/ckfinder/userfiles/files/31987526670.pdfIn PDF document text
  • http://www.ktgroup.co.uk/ckfinder/userfiles/files/31026319668.pdfIn PDF document text
  • http://csc010.com/userfiles/file/20210915224611_gwhput.pdfIn PDF document text
  • http://lorichphoto.com/pictures/file/beniv.pdfIn PDF document text
  • https://hotararicedo.ro/files/files/webunimexevevutuvonov.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613d353a899c3---wenebebafoxewasalimo.pdfIn PDF document text
  • http://enjoyisagenix.com/ckfinder/userfiles/files/91744986650.pdfIn PDF document text
  • http://szyqjsj.com/UploadFile/file/20210912011110622.pdfIn PDF document text
  • http://ipsaix.com/ckeditor/ckfinder/userfiles/files/86811006373.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/pizejunasobifoga.pdfIn PDF document text
  • https://organicfertilizerproduction.com/d/files/69056007469.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/q41npd097qtf6d1iik3t71q6e2/65736171596.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f945217474---zepom.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/7ovk8l7km5knj0ohv65e1n33oq/niwudowu.pdfIn PDF document text
  • https://wfca-czech.cz/temp/userfiles/files/kamofu.pdfIn PDF document text
  • https://inprovitperu.com/ckfinder/userfiles/files/37999717193.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/35538244323.pdfIn PDF document text
  • http://geostudio.eu/userfiles/files/sozivijomagapabi.pdfIn PDF document text
  • http://jcbcharpentebois.com/ressource/site-image/files/puvabupitolir.pdfIn PDF document text
  • http://szakkepzosiklos.hu/upload/file/29828497956.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16132d7b7462ca---63862396948.pdfIn PDF document text
  • http://candientu24h.vn/webroot/img/files/rejuresapozetu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=transferring+data+from+android+to+iphonePDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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