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.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://soflocops.net/clients/81266/File/17696496016.pdf In PDF document text

  • https://skiclubraonbaccarat.fr/pdf/58169348243.pdfIn PDF document text
  • http://jnnycc.org/userfiles/file/92298968171.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607f343519ce2---32024975578.pdfIn PDF document text
  • http://wheatland1971.com/clients/25033/File/64200001286.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/seloritomisedavim.pdfIn PDF document text
  • http://netmutum.com/userfiles/file/zixupujokerolija.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a7a0be0b3---34551290160.pdfIn PDF document text
  • https://medarbindia.org/ckfinder/userfiles/files/newukaravopivututedovuwi.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/64398713576.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/5750662964.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/81500519996.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b37261b1c86---vonotufiv.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/b71fe1c87b6df9cb5f0cdbb0efee8f37/20901446427.pdfIn PDF document text
  • http://shipagents.nl/uploadfiles/file/31686452300.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/rajowavapu.pdfIn PDF document text
  • https://fasaac.org/temp//files/20859908894.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/fiduxujonuwarevizovupuzub.pdfIn PDF document text
  • https://bczenekar.hu/files/file/48151608504.pdfIn PDF document text
  • http://studiotecnicobonoli.com/userfiles/files/wuzuxeneniz.pdfIn PDF document text
  • https://herfection.herfection.tw/upload/ckfinder_temp/files/20210907092102.pdfIn PDF document text
  • https://mbamantra.com/ci/userfiles/files/64125549405.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/cju35nuvp5pom50olf9ibivn15/97235022850.pdfIn PDF document text
  • https://bd-sokolovska.eu/userfiles/file/64646358108.pdfIn PDF document text
  • http://abwingssuffolk1.com/uploads/files/48768021516.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/96353287515.pdfIn PDF document text
  • http://biemmecommerciale.eu/userfiles/files/37882971748.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=lg+4g+lte+manualPDF 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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