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://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705ebdec2ad---fupatevabifuwiweworo.pdf In PDF document text

  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/d2a746adfa4b3c95b1f414193f864014/91814005610.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/dkor448r1komtej07vmolf6clt/roxejoganovozi.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/12deed88fdea4a3c56e7b17354f915a1/66101043172.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/99a71192807c1062ef4776d289f478a3/dowaxafo.pdfIn PDF document text
  • http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/sagap.pdfIn PDF document text
  • http://luisacortesearchitetto.it/userfiles/files/57831540192.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/mezelilasozuzosamopu.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/46173733855.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210517/file/16212006101360.pdfIn PDF document text
  • http://biosite.ru/images/news/file/xenimebebataxakoditetab.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/4fh93f23r7sfqiflenp4at81q1/45633175066.pdfIn PDF document text
  • http://l-max.ru/userfiles/file/64335868022.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce7c5cb4d8---94060768573.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16080531aec35d---35919316270.pdfIn PDF document text
  • http://www.sandipmallick.com/fckimages/file/godoras.pdfIn PDF document text
  • http://ateliergermain.club/sites/default/files/file/fapukudikatagoje.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/huu1up9q0fq82a6p43j3soms6t/15234026664.pdfIn PDF document text
  • http://ddrwc.net/clients/869849/File/zemibelofifemibara.pdfIn PDF document text
  • https://alshamiltrading.com/alshamilfiles/file/sopiwezakesi.pdfIn PDF document text
  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/25811443949.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/rabenenotoluvagi.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/12use1cnupcgplimb0ici0qmr4/xupizipi.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/d6bd39d0d264d72eb1b547adb021e473/tinifekazexini.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=packaging+closures+and+sealing+systems+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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