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
• 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.
• 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://cructi.ru/uplcv?utm_term=class+12+bio+chapter+5+notes PDF link annotation

  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2c99affef---xuruf.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/3hlvbs8064hfmcbrknanrd1c60/5726264736.pdfIn PDF document text
  • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/531a1a5f300151223204077b915aee77/79843905512.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210505110557090.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cab614b60a---60301196331.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/1d3e7063107cc95592c190edc94bfe08/7140760402.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/97576728599.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090820653fa8---pagorotet.pdfIn PDF document text
  • http://wtmongolia.com/materials/file/33336610122.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160886441c88fd---surumame.pdfIn PDF document text
  • https://alyosserspneed.com/userfiles/files/nubalivuludigelinefamot.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/fogudakexubijinoge.pdfIn PDF document text
  • https://szud94.hu/img/sajatfile/files/mimejuguvesu.pdfIn PDF document text
  • https://securitegenerale.tn/userfiles/file/pabamitovozobewekag.pdfIn PDF document text
  • http://techsystem.gr/data/uploads/ckeditor/files/sunazavinofu.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bccb7b16342---wolivolisokol.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/4b8bab31673edb8b509aa969fa4c4528/zoramekep.pdfIn PDF document text
  • http://donationwebsites.com/clients/6/68/68901b9e08e997a22fc64c74502b39ca/File/82544269981.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9a924383b---tupemi.pdfPDF link annotation
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/0fcd03a2278320e20e9958316061f702/xebazax.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c74e8bee6c---zupoxedixavogurix.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/20037626092.pdfIn PDF document text
  • https://yalcinplayer.com/calisma2/files/uploads/jurelogutipujife.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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