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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://krisoc.ru/uplcv?utm_term=lippincott+farmakoloji+t%C3%BCrk%C3%A7e+pdf+indir PDF link annotation

  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610d3f3525298---49065515078.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/umnbquevgajjveaf8qkmt724b2/17796195190.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/89b5e31d00531945301db3dd556a1a43/17207932667.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/nesavidudezujim.pdfIn PDF document text
  • http://ingegnasrl.com/userfiles/files/mozulalejikuzanujoxofi.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/26976214973.pdfIn PDF document text
  • http://elitakhealing.com/ckfinder/userfiles/files/67140431398.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/rurazesozivijutum.pdfIn macro / runtime command snippet
  • http://sinproval.it/userfiles/files/28359740978.pdfIn macro / runtime command snippet
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0bec69f468---5921503033.pdfIn PDF document text
  • http://hasici-pristroje-eshop.cz/files/file/sizomusodudejusajepamotoj.pdfIn PDF document text
  • https://mahae.hu/files/files/69046508091.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/72209fe31dc020f3fd3e123d5919ff71/74539072687.pdfIn PDF document text
  • http://townofwinslowin.com/flash/townofwinslowin.com/file/lurunizefarupama.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a25fff572e4---sivisodefi.pdfIn PDF document text
  • http://furniture83.com/upload/files/kejikexajole.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/jelabuxaga.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/24fcb4c8b627a46981996227c9570f4a/80610098445.pdfIn PDF document text
  • http://flambotour.it/themes/userfiles//files/tapevegeki.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088ad4e4112d---dipowazavedudofaka.pdfIn PDF document text
  • http://tfforming.ru/d/files/25081467941.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c6b28a6fb---61579323551.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3cb1dbc0a---zomazidegono.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/fbbbab9071c97a63cd12559d4ddf4209/jotakudunumeleguzizuri.pdfIn PDF document text
  • http://elitakhealing.coIn macro / runtime command snippet
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#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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