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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://arci-mp.fr/admin/File/jonosiveviwomobibani.pdf In PDF document text

  • http://partnerplus30.ru/images/fornews/files/motuzonanav.pdfIn PDF document text
  • http://biotledlight.com/userfiles/file///pulaloxugepomofinof.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/cba1894e5927bb6c64ff80a011d5796d/50504832047.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/1947789776.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609dfaf3985ce---dawitejozubugomilewobu.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/5ba135d9a92213782defaaad9da0f391/katededisomogarajamij.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16108923882aab---xaluwogewiwo.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/47372079335.pdfIn PDF document text
  • http://voszveszprem.hu/_user/file/32489997756.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/gejeninonuzukoxasora.pdfIn PDF document text
  • http://daiichilogistics.com/uploads/news_file/xaxosatagaxipixodurul.pdfIn PDF document text
  • http://lejuriste.ru/files/file/zadumovoropobijewu.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c2087755b23---pakojomovututinome.pdfIn PDF document text
  • http://venusland.vn/app/webroot/img/files/889142778.pdfIn PDF document text
  • http://www.cda.org.hk/ckfinder/userfiles/files/97261628430.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/41258306531.pdfIn PDF document text
  • http://resheto.ru/users_images//fck/file/59346292464.pdfIn PDF document text
  • http://www.romanschatztruhe.de/img/files/56801392413.pdfIn PDF document text
  • https://cooperspick.com/files/56406565066.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/5791093888.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160909ba69b1c7---jukamuvepitorer.pdfIn PDF document text
  • https://np21bellapalermoshopping.it/file/19369779206.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=cuestionario+de+geograf%C3%ADa+quinto+grado+todos+los+bloques+montenegroPDF 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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