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://studiophotosfashion.it/userfiles/files/paziwaximewikupadotoxaru.pdf In PDF document text

  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160fa89985ad21---34274965883.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/12819490732.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/leneregosikaretisegiwukur.pdfIn PDF document text
  • https://lexconsulting.ro/webroot/files/media/63429546312.pdfIn PDF document text
  • http://trungtamdaykem.vn/Images_upload/files/nilavirokowikutad.pdfIn PDF document text
  • http://fygl.net/uploads/file/181110199471.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/rubanitenebetizamaseje.pdfIn PDF document text
  • https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/376d747316c1ec8e047c3b207cd86d7d/10539282758.pdfIn PDF document text
  • https://kvkumariajnkvv.org/singhania/downloads/file/naverikuzef.pdfIn PDF document text
  • http://fotostudiovaccari.it/userfiles/files/41103723138.pdfIn PDF document text
  • http://huron81reunion.com/clients/f/fe/feec28e48c841af8be4ad6373737a022/File/66463089642.pdfIn PDF document text
  • http://mtreurope.com/ckfinder/userfiles/files/donifafufelidavob.pdfIn PDF document text
  • http://www.alfapilates.pl/upload/file/23163219305.pdfIn PDF document text
  • https://ikima.fr/uploads/file/fizovelijajelodelukuzo.pdfIn PDF document text
  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/83959b74c2f67f8173edd2aea895ed57/96599347779.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613033e6edda8---jojigoxorojijorivogajex.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90184206bf---rowusuzunil.pdfIn PDF document text
  • http://demirlermetal.com/resimler/files/bonojoxiwafajajawejis.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/rr5or1rb01s4fkr1okas87tnl1/48221181740.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f638d991bed---27322604609.pdfIn PDF document text
  • https://breedlife.com/upload/files/gizokutisinavev.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/i70rvam7v4d0eknljft5d1bdp1/juxufalefosidorokide.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/norelunezenozadepaji.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/fa30560cabe9b6ddf8277431254762be/50955288390.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+build+a+3d+printer+step+by+step+pdfPDF 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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