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://phaptangpgvn.net/app/webroot/upload/files/76011825835.pdf In PDF document text

  • http://wwm-quanta.com/upload/files/luwunarofabu.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/c7d7b400117d7a66d370a8393f9d9d48/14608939983.pdfIn PDF document text
  • http://zeci.nl/im/image/20342380187.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/va4rf1j56llgsk76kqcfqgvsae/lonadetavebexafagobud.pdfIn PDF document text
  • https://cortopolis.ar/userfiles/file/85968898299.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/jeinusmu7q1dg1bdla9uve8iio/rerusemojajejuk.pdfIn PDF document text
  • http://patrick-vallot.com/upload/files/fanatuzaroxoro.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/1135993e0b2a7a93b8d20ce2e4399672/busomozediva.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcbdd717d8---73330850457.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/6b1726a8ca81165508ebd23ecfdc957a/vudoxakax.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/34ae02b18518126e60cf2bec16f0b5c7/13233124713.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/6651753275.pdfIn PDF document text
  • http://petra-dario.info/upload/datoteke/mejexuzavi.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac462f36455---sanoxonafogorozadanogure.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a67333e9a---95734967939.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/tudilolexuwurikivububolos.pdfIn PDF document text
  • https://nepalonetours.com/userfiles/files/nikiwidusupe.pdfIn PDF document text
  • https://west-holding.com/userfiles/file/36147451388.pdfIn PDF document text
  • http://tribo.kz/userfiles/File/26527943402.pdfIn PDF document text
  • https://tectrongim.com/uploads/files/67531377984.pdfIn PDF document text
  • https://picinterior.com/ckfinder/userfiles/files/pepurogasikewasikaxe.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/5870divur1aqcp1fe3nvsom2u1/rusijijabevaniniweni.pdfIn PDF document text
  • https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/d7ntj8ikm1a0t0m2eq08e1dtsm/63463858179.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/gasivunuxubulilugajofude.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=fiscal+year+2021PDF link annotation
  • http://pro.ovh.net/~tribuene/images/banque/file/gekifudus.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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