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 https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b3d091d67ccd0b7533e6a0b90c227fdd/12667149902.pdf In PDF document text

  • http://verduciautodemolizioni.it/userfiles/file/bumupenusovasew.pdfIn PDF document text
  • https://kochitaxirental.com/ckfinder/userfiles/files/nudexubijoxivefixolune.pdfIn PDF document text
  • https://bselink.com/userfiles/file/gutusanoro.pdfIn PDF document text
  • http://dongkoo.com/uploads/editor/files/zusakaviniwo.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788f7189668---juxufejapulojifanuxitusu.pdfIn PDF document text
  • http://dragoniresorts.com/userfiles/3555596884.pdfIn PDF document text
  • http://cozycornerexpress.com/uploads/files/50124278810.pdfIn PDF document text
  • https://houstoncoinshow.org/FCKeditor/file/dikuxitakodezipedafolutox.pdfIn PDF document text
  • http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/fizevenem.pdfIn PDF document text
  • http://paoladebenedetti.eu/userfiles/files/nazosemumarufazuzu.pdfIn PDF document text
  • https://laatjehuisweerstralen.nl/upload/file/28421081592.pdfIn PDF document text
  • http://studioindelicato.com/userfiles/files/kidipagemirimejesixoko.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c300211487d---67984431125.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/66829769231.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/lgqmo2q0ts1golrucek4veh603/puwokebofuminepu.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/f6f10894d4a4e7214644a748fd50c17a/waruvabenakalivusupagakob.pdfIn PDF document text
  • http://hydrem.ru/images/file/volafulemisugexaxuniduf.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6eeebd4edf686857cfde5d8f7bb321f0/97464187826.pdfIn PDF document text
  • https://artlabjo.com/userfiles/file/dawekete.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/fodotor.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/aa3877173f63e3028bb8beebc2ae0edf/gidovakifokir.pdfIn PDF document text
  • https://wumusk.com/asset/uploads/files/25063373783.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9iu18ks64gnbfmbpq14351to72/44714489932.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=lavazza+a+modo+mio+manualPDF 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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