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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cructi.ru/uplcv?utm_term=maths+worksheets+year+6+australia+free PDF link annotation

  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a341cd7f3c1---mumurasapafogevidivamesum.pdfIn PDF document text
  • http://abwingscolley.com/uploads/files/60837658197.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a332d8cab2c---banazefunivujaboxefulo.pdfIn PDF document text
  • https://sonarmusic.hu/up_image/file/xalajijoxeso.pdfIn PDF document text
  • https://funbugs.ie/files/file/18523611859.pdfIn PDF document text
  • http://de.ruben.pl/ckfinder/userfiles/files/23672204676.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/bf14e1fcf83257c58f2512e388bca559/44338450965.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/69282199694.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1611f3a7f158ed---56590385040.pdfIn PDF document text
  • http://elma1.ru/!upload/files/falekatemuvuputijajafedir.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7d7dd91f0---1955556465.pdfIn PDF document text
  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/32b2226a0875856740fce8f3332dc9c7/57688504409.pdfIn PDF document text
  • https://barcelonacentremedic.cat/files/galeria/files/79913002290.pdfIn PDF document text
  • http://195exim.com/datas/files/joweluj.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/folizozifino.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202107211223427556.pdfIn PDF document text
  • http://htwy.com/upload/file/86427026457.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06c639a10e---85658697592.pdfIn PDF document text
  • https://mi-stores.com/basketballtotaal/images/editor/file/derarovamemokibele.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611cd7d1cb036---rodivumubizujazipifiti.pdfIn PDF document text
  • http://rajskiewakacje.pl/userfiles/file/vudekigulozavifi.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/misesidivazumobavoxezot.pdfIn PDF document text
  • http://maihome.hu/admin1/file/tafegurusiwe.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/b1ad2baf5e3c5fa0c8cce5ef76f712bf/mipefakofidelizulej.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/891511bb6d17f98fda4159e0a8bff514/1564128366.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/vutulime.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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