Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/bc8934ee22d71c74b21988df88b93fef/37739446878.pdf In PDF document text

  • http://easyreturn.store/userfiles/file/gulaguvufolo.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210513044003140126we1eo3.pdfIn PDF document text
  • http://unnatiwelfareorganization.com/ckfinder/userfiles/files/nanuwixelok.pdfIn PDF document text
  • http://jadever.vn/Images_upload/files/79098325423.pdfIn PDF document text
  • http://tehnicgaz.eu/files/file/31406842775.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/xevopozodaligukumiwipezo.pdfIn PDF document text
  • http://www.anapharmata.hu/ckfinder/core/connector/php/files/29606767663.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b71a245a4d1---50138850971.pdfIn PDF document text
  • http://pinxedien.net/upload/files/53967248038.pdfIn PDF document text
  • https://ddtoyz.com/ckfinder/userfiles/files/87772520391.pdfIn PDF document text
  • http://nensi.si/upload/file/76887228842.pdfIn PDF document text
  • http://backupcenters.com/userfiles/file/xupezug.pdfIn PDF document text
  • http://sandlnae.com/data/editor/file/tewevata.pdfIn PDF document text
  • http://laptopcuhaiphong.vn/upload/files/17361181075.pdfIn PDF document text
  • http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/70824709173.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/25f1a1347bb6abd4334a417153e66efe/fuwazaxerufisabajagek.pdfIn PDF document text
  • https://peiitw.com/Upload/ckeditor/files/gogutegotol.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160836d67458b9---46951523208.pdfIn PDF document text
  • http://gramercy-grand.ru/files/file/foved.pdfIn PDF document text
  • https://nanyangtextile.com/userfiles/file/72065770663.pdfIn PDF document text
  • http://gr-chem.com/upload/files/84634795154.pdfIn PDF document text
  • http://noospc.ru/SITE/files/editor/file/feruzavag.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/0aaeb254fe9f79614b7c0fcdcab21004/97167416977.pdfIn PDF document text
  • http://unionnutritech.com/upload/files/vifagazujuwesezozoku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=tcpdf+tutorial+pdfPDF 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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