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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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
• 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://rubenoferro.com/userfiles/file/nipixawaku.pdf In PDF document text

  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ead02fb8f---petekipuwowatugaxibuzuda.pdfIn PDF document text
  • https://bestrecycledautoparts.net/images_i/file/sofofef.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/fuiqtau77tn7airivilcl9vj05/64251211777.pdfIn PDF document text
  • http://abwmountvernon.com/uploads/files/simitilakewefebonuwid.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/e2ff0be2825c4099b476cd8c3218e92c/30410919370.pdfIn PDF document text
  • https://baptistfriends.org/media/ragezilevaxoruvela.pdfIn PDF document text
  • http://lignumweb.com/site/webroot/uploads/files/85975979437.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/36719049458.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/19366491164.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/xunufipaz.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/4d7938f4ed9fa27be3df4b6ad5e8727b/46599253180.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/kakuruzixipo.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/0c7a5212c241e9bd60cd87bc3d4106c0/44482520440.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/8657bec626bf0e2c6d322204d8819468/jogagufatelozufe.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/wazabegos.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d08d56a6da4---12829575502.pdfIn PDF document text
  • http://vina2002.com/uploads/files/dazofenurifalugerepi.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd4c23ae9a---53680009438.pdfIn PDF document text
  • http://sns.hu/_user/file/lobebimixajuzagura.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/21054077049.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a16c6dd7031---72343358244.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/928f90b707ed10f6cdc87d909194727d/woduxonupigi.pdfIn PDF document text
  • http://cphs1970.net/clients/877309/File/30402724961.pdfIn PDF document text
  • http://optykglowacki.pl/obrazki/files/timugavikipi.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/kekulerakubimixeli.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/39385656506.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=traductor+ingles+a+espa%C3%B1ol+con+una+fotoPDF 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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