Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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.
• 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://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/93688275736.pdf In PDF document text

  • https://hsse.hssanesteban.cl/files/sozujusuf.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/1c9920776251c270d099b3ea69649fc8/48400747759.pdfIn PDF document text
  • https://socardan.com/userfiles/files/mixaruvuwuzuponifopufef.pdfIn PDF document text
  • http://www.polni.si/Images/files/refinusifinawiwefe.pdfIn PDF document text
  • http://home-hj.com/up_photo/file/91400954087.pdfIn PDF document text
  • http://www.egymast-segito.hu/uploaded/fck/file/9942714276.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/13469601368.pdfIn PDF document text
  • http://tasarimak.com/ckfinder/userfiles/files/namevijefudatojutiwifu.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318c7c7e196---kesuvobawigobudibow.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cb8b47ff8ac7862af9825939de3e2847/85203351626.pdfIn PDF document text
  • http://www.sauminandy.com/fckimages/file/legigiwulibinuvowuwiti.pdfIn PDF document text
  • http://homeloanz.net/images/e/file/wosibizogexopupijuzul.pdfIn PDF document text
  • https://tl-systems.hu/files/files/gemusu.pdfIn PDF document text
  • https://ntiverification.com/userfiles/file/87425858419.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/5672f8532397eecb05ce3c812dc28997/39699385054.pdfIn PDF document text
  • http://140.121.161.111/ckfinder/userfiles/files/58065922493.pdfPDF link annotation
  • http://kiuruvedenlukio.fi/tiedostot/file/6015439839.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/bi6rabct3qfecgd7ttk2atnj1r/rolixibebekudijijipemiju.pdfIn PDF document text
  • http://saga.diamonds/uploads/ckfinder/files/sisodidukikivuvavifipiva.pdfIn PDF document text
  • https://cornwallstaffagency.com/userfiles/file/74737712217.pdfIn PDF document text
  • http://armanetti.com/images/7218384399.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/40648794546.pdfIn PDF document text
  • https://mimpishio.com/contents/files/76517456734.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/78789002169.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+email+large+videos+from+androidPDF 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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