Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• AcroForm button with action trigger low PDF_ACROFORM_BUTTON
  PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
• 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://alphabodysupplements.com/newerac2c/userfiles/file/87187542206.pdf In PDF document text

  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c206a55e109---zoluperiweta.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/56412002615.pdfIn PDF document text
  • http://esthebel.de/userfiles/file/bebegopuwun.pdfIn PDF document text
  • http://hindel-relax.ch/ckfinder/userfiles/files/84118902344.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/759269441.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/nuvutolosutifo.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4a1527abb---wipiponix.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4dc0528cb9---8328170212.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cada7d9ac7---wurawuxewul.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/vk8m8r9tnreddamgjl7lpnosnn/35427864641.pdfIn PDF document text
  • http://jevades.com/aircraft/fckimages/file/gamefimefulanedugo.pdfIn PDF document text
  • http://coconut.hu/userfiles/file/76502256343.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f46a5052a---vuxiwigamibuza.pdfIn PDF document text
  • https://pachetedeturism.ro/images/files/jemilusutemubesokul.pdfIn PDF document text
  • http://mtsskzy.com/userfiles/file/69069103914.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/4d820d702ce60344e7f6a7346baea8e1/11457089763.pdfIn PDF document text
  • https://medtek.vn/storage/file/91523947477.pdfIn PDF document text
  • https://aitalk.vn/upload/files/63481026944.pdfIn PDF document text
  • http://cintabogor.com/Uploads/userfiles/files/poturinujutasifejego.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f76a643e70---segasojes.pdfIn PDF document text
  • https://kozhikodedeaf.org/admin/my_files/file/bepafotozebutolusutotapal.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/fidus.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/cnbt5n7f012metfrhvl20gin31/47980166502.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/10113755546.pdfIn PDF document text
  • http://2446665a.ru/ckfinder/userfiles/files/70186249702.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=eviction+notice+california+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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