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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://kangaroovietuc.vn/webroot/img/files/42111060520.pdf In PDF document text

  • http://www.atsamuihaus.com/image/upload/File/paruditefume.pdfIn PDF document text
  • http://babijie.com/upload_fck/file/2021-9-11/20210911031539550641.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/sujugusimopilabofu.pdfIn PDF document text
  • http://087334211.kad.tw/kads/ckfinder/userfiles/files/28321034103.pdfIn PDF document text
  • https://middletonchambers.com/ckfinder/userfiles/files/wiwixafikisinonado.pdfIn PDF document text
  • http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/33827200435.pdfPDF link annotation
  • http://kepco-group.com/uploaded_files/userfiles/files/gejosavuxutebajotiluna.pdfIn PDF document text
  • http://nerezove-kuchyne.cz/UserFiles/File/44989684902.pdfIn PDF document text
  • https://securitydm.eu/slicice/file/biwevejudufizixif.pdfIn PDF document text
  • http://purepoem.com/resource/docContentImg/file/2021-09-17/ee1315bb63caeae62758ae64e01366f5.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/wolinow.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161332a7c992dd---bamevajitukof.pdfIn PDF document text
  • http://dwornawodzie.pl/userfiles/file/demidom.pdfIn PDF document text
  • http://ebd.su/UFD/7623/files/fabovoverez.pdfIn PDF document text
  • http://futsalcb.cz/picture/vtextu/file/68295281305.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349ca0b0899---78524881618.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/novawuki.pdfIn PDF document text
  • http://bjqyms.com/filespath/files/20210905163031.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcc5a63621---lixukejenekenoxifimup.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/a971ad6736f41b4134b7eeb9679f961e/ridobeguwefeg.pdfIn PDF document text
  • http://getampedmag.com/ckfinder/userfiles/files/11985444688.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210909091705273343.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/f2msuk8am792o7q9t4kn5ndfv3/nadezurit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=mms+over+wifi+androidPDF 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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