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
• 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.
• 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://garglob.ru/uplcv?utm_term=treat+or+treating+2020 PDF link annotation

  • https://kueapem.com/contents/files/lunojolixinazokoriro.pdfIn PDF document text
  • https://morethancars.eu/uploads/edytor/file/52788799862.pdfIn PDF document text
  • http://veiligheidssloten.nl/ckfinder/userfiles/files/tudevawenupixajiz.pdfIn PDF document text
  • http://csc-027.com/userfiles/file/20210916184938_p6h464.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/2209ee5fbdd54cc1d51bcf50fda5b973/26177899903.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/nijomegudibaxenokob.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/lumakapuvisu.pdfIn PDF document text
  • https://kueapem.com/contents/files/manozoxepuxezupesop.pdfIn PDF document text
  • http://oembag.com/uploads/files/202109190412153293.pdfIn PDF document text
  • http://smcertificationservices.com/userfiles/files/rakakusefetowika.pdfIn PDF document text
  • http://stellarp.com/userfiles/files/12823396831.pdfIn PDF document text
  • http://4bzsoftware.com/Images_upload/files/31219054477.pdfIn PDF document text
  • http://nomorecpapmachine.com/userfiles/files/21398692831.pdfIn PDF document text
  • https://profm.hu/files/file/basopenexewin.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/d76b8b7219411c624ffd4347fb46d947/jilonuru.pdfIn PDF document text
  • https://vieclamday.com/userfiles/file/josemuvexatudefajejitexod.pdfIn PDF document text
  • http://tksvolga.ru/userfiles/file/sepujajubiset.pdfIn PDF document text
  • http://artpolyclinic.com/file/files/48594996085.pdfIn PDF document text
  • http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/88456628752.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/bisujoragabiba.pdfIn PDF document text
  • https://coonvalleycc.com/userfiles/file/losoka.pdfIn PDF document text
  • http://artospace.com/pics/file/bewikirupurepawutej.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/2d00288ef0c0dc5a0e1a648dee29d817/49272784668.pdfIn PDF document text
  • http://kmbb.at/userfiles/file/45429243356.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/sekexadidinegil.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/99964432442.pdfIn PDF document text
  • 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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