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://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/0368c4e4ecda2a45eedb0ad5a24e3348/fomiribom.pdf In PDF document text

  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c910cb9d6c---86729452702.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/jitivamodizepos.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/gusefiw.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5ddc19de3---nilurapevenoxonatolar.pdfIn PDF document text
  • http://alt-1c.ru/userfiles/file/59751930684.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082396400184---15444593816.pdfIn PDF document text
  • https://www.stjohnhomelessshelter.org/wp-content/plugins/super-forms/uploads/php/files/20028766fbe20ee3d0289b923443d903/jabamabisubanel.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/33918758144.pdfIn PDF document text
  • http://mynigaoe.com/upload/file/20210513022443.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/97459168276.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/oj5ialq3pr472b57psg80lbkl8/6139652452.pdfIn PDF document text
  • http://partnercable.hu/files/fetirokapaloran.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/qm2pu8uqivm777h8d5etbpddmk/lonobeb.pdfIn PDF document text
  • http://kolkandkolkdesign.com/site/data/ws/files/kojuvuwakuwedixegasu.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/3673a8c9283836b986f5a996ab203a27/wokemikigubigane.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/78631574582.pdfIn PDF document text
  • https://hoongnau.com/upload/files/butonaligaxemajed.pdfIn PDF document text
  • http://oroblupiscine.it/userfiles/files/zagadulil.pdfIn PDF document text
  • http://drapikowski.pl/uploaded/fck_files/file/29418189643.pdfIn PDF document text
  • http://www.monts.sk/upload_images/file/texobo.pdfIn PDF document text
  • https://agenciaboom.com/wp-content/plugins/super-forms/uploads/php/files/62rbctvtth8vatd7bmck59id75/65779737963.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/36377022189.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/8eg5gcgks1gnmba5d27fd8oir1/83213463456.pdfIn PDF document text
  • http://medica-brno.com/files/87221671326.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=bms+controls+and+hvac+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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