Malicious PDF — malware analysis report

Heuristics 10

• 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.
• 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
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://centrehistoriquesndbc.com/ckfinder/userfiles/files/rofiwedopipovoraxesifid.pdf In PDF document text

  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613661316346a---38665605712.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/aa2086a5743c0c35dad71199c8f0b343/21942658217.pdfIn PDF document text
  • http://127.0.0.1/bantraicay/js/ckfinder/userfiles/files/58840205281.pdfPDF link annotation
  • http://inbjnews.com/data/cheditor/0603/files/21495873706.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2aee8fc5b---rifibajewomoj.pdfIn PDF document text
  • http://romovi.net/sgi_userfiles/userfiles/files/sirupavepororolaz.pdfIn PDF document text
  • http://oris-am.com/editor_up/96360270297.pdfIn PDF document text
  • http://sukhonthip.com/file_media/file_image/file/ruxibivonemagolik.pdfIn PDF document text
  • https://jagamimpi.info/contents/files/39249619105.pdfIn PDF document text
  • http://classtool.info/upload/files/21270006094.pdfIn PDF document text
  • http://conomiya.com/images/uploadedimages/file/likudopofixale.pdfIn PDF document text
  • http://zechnerbau.at/images/content/files/puvototipab.pdfIn PDF document text
  • http://ajeah-intl.org/fck_image/file/40818642049.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/funosojofozuxoximifi.pdfIn PDF document text
  • https://derya.afmiletisimajansi.info/resimler/files/lufajakojuxozatalemifi.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/rapoka.pdfIn PDF document text
  • http://24cvety.ru/upload/files/fisafilageliron.pdfIn PDF document text
  • https://delaneyllc.com/ckfinder/userfiles/files/xamesaji.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146e3d8d39c3---sojekipux.pdfIn PDF document text
  • https://siemreaptraveltours.com/userfiles/file/77261266595.pdfIn PDF document text
  • https://doina.md/fckeditorfiles/file/nikobemabirodunasewi.pdfIn PDF document text
  • http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/silinexawum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+can+i+share+photos+from+android+to+iphonePDF 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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