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://pixomot.ru/uplcv?utm_term=how+to+learn+python+easily+quora PDF link annotation

  • https://slezanie.eu/userfiles/file/tajotolawebiligitofe.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/92993521748.pdfIn PDF document text
  • http://tipiland.net/upload/file/palorivofopiwivi.pdfIn PDF document text
  • https://fa-vietnam.com/webroot/img/files/vonosidakoteli.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/3556106962.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/d98ca4d2e388d20a9f3fb8c21db84486/43081999075.pdfIn PDF document text
  • https://creteotels.gr/FCKeditor/userimages/file/93436801008.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/f968765bfbb993be470dbd46f0ec6c9f/soxitulumu.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16095fe322a649---72235144241.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/47789536858.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e5e8ebb16---99626819577.pdfIn PDF document text
  • http://ricarda-allegra.de/userfiles/file/zitivawijexiz.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/065a5f0d05debd40b7b10db90c328d06/67107032361.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/5389649806.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c978439b45---61345150727.pdfIn PDF document text
  • http://gandolfiarchitetti.com/userfiles/files/33145891614.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160947aea1ce19---22756508957.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ce95d5c38---3776100769.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/3713150920.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16095d58f61792---nasijunanimujenugidifa.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16077a48bd2f5d---4435261082.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/4jkk0nq4opo60725id9kcn4j7g/lolepatuwolunuvereg.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/61a6ce353ea1f80b421ba248ae84d876/metefigulugabixali.pdfIn PDF document text
  • https://bem-sa.com/img/file/viporuripozi.pdfIn PDF document text
  • http://santamariamikado.com/uploads/files/lepesorepidowoxopipox.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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