Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• QR business-process phishing lure high SE_QR_BUSINESS_PROCESS_LURE
  Document asks the recipient to scan a QR code in an HR, payroll, compensation, employee-handbook, DocuSign, or business-signature workflow. This is a high-signal quishing/social-engineering pattern even when the QR payload cannot be decoded statically.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://crewmak.ru/uplcv?utm_term=fitness+exercise+book+pdf PDF link annotation

  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8618ad84a---jatugovapibizisonewu.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1614d0b63a9b73---dadeka.pdfIn PDF document text
  • http://tonghuichem.com/upload/files/buzefogevo.pdfIn PDF document text
  • http://bamboomfi.com/htdocs/cljr/data/files/xejofazozedexa.pdfIn PDF document text
  • https://valerart.com/ckfinder/userfiles/files/78259536215.pdfIn PDF document text
  • http://beccaro.it/userfiles/files/buturubijajexuvogavo.pdfIn PDF document text
  • http://radio-salsa.fr/php/rs/filesupload/file/siloxuralitewazigekakot.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146347f3dc14---61780175317.pdfIn PDF document text
  • http://fairbank-ia.org/admin/ckfinder/userfiles/files/melif.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/mubijiwupikusapizivuja.pdfIn PDF document text
  • http://flex-link.cn/uploadfiles/files/6110044671.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615be01cc7316---sawumujozuxisuwazapok.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372c5b7a67b---98286904966.pdfIn PDF document text
  • http://hdurmuslar.com/images_upload/files/modetasegaxirox.pdfIn PDF document text
  • http://feminella.ro/upload/fck/webipekilin.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/80788995205.pdfIn PDF document text
  • http://sitoad.com/bbqjoekey/files/202109110014381722.pdfIn PDF document text
  • http://1000projects.ru/upload_picture/file/35931475500.pdfIn PDF document text
  • http://one9five.com/userfiles/files/39330036260.pdfIn PDF document text
  • https://rpdev.org/ckfinder/userfiles/files/63707804939.pdfIn PDF document text
  • http://jobsmarttampabay.com/files/public/bopalarugakufazemes.pdfIn PDF document text
  • https://nullemont.fr/nullemont/ckfinder/userfiles/files/xesodevigema.pdfIn PDF document text
  • http://cableesmaltado.com/d/files/sasejarupilijidavimifu.pdfIn PDF document text
  • http://chafewyuok.handysociality.com/upload/files/58124246342.pdfIn PDF document text
  • https://ecableapp.com/FCKeditor/FCKimgUpload/file/30927589120.pdfIn PDF document text
  • https://jancsoalapitvany.hu/ckfinder/userfiles/files/78875176036.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 extracted file (font_00_sfnt_off0000de53.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000de53.bin)

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