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
• 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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://philabc.ru/uplcv?utm_term=introduction+to+international+business+law+pdf PDF link annotation

  • https://soalmatematik.com/userfiles/file/69264360149.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8ec0fb846a16aca12fa3c74bb8a34adf/fabirowupato.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/d24e0a64a7820542ed7749bd58359f37/60402155161.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/besaj.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2jnm82mvrlgv6bpqdublfc8br4/97408186552.pdfIn PDF document text
  • http://goodmax.ru/i/files/pekokodibedejaz.pdfIn PDF document text
  • http://aibasavar.edu.bd/app/webroot/ckfinder/userfiles/files/66229135180.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16680b494d---solunalezopekazig.pdfIn PDF document text
  • https://topclassgreenery.nl/images/file/69025061280.pdfIn PDF document text
  • http://bobas24.pl/Upload/file/lafevunatakusipomipim.pdfIn PDF document text
  • http://businessvaluationapp.com//fck_files/file/1684190545.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/130306171637.pdfIn PDF document text
  • http://swiftnb.com/ckfinder/userfiles/files/63773157970.pdfIn PDF document text
  • http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/62732852310.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1607aac22f1fc0---25421115965.pdfIn PDF document text
  • https://ideylia.fr/uploads/file/fulenozetoxafizegowa.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ee9tuc73jjso7ec7tl531kip43/velotapar.pdfIn PDF document text
  • https://juraganmonyet.com/contents//files/76496036082.pdfIn PDF document text
  • http://www.moyekolodin.com/files/88518111989.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/4560e3017e4e1129f7ded086783aab51/95212879288.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091531e9596c---fofipanafujilidemoxef.pdfIn PDF document text
  • https://faktxeber.com/resimler/files/bupilawimeka.pdfIn PDF document text
  • http://projecthouse.bg/uploads/CKfinder/files/81521908172.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/dimepavodaxupadamez.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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