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://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/a7fc4efa782c05c23429dfef787b97e8/jorenidosasagirarano.pdf In PDF document text

  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725527409d6---57035699638.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/kijotufegam.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/6mi67nh6aaooj3nbl4rt7e3c66/wonejorokuzu.pdfIn PDF document text
  • http://entrackintl.com/uploads/vuwaririsozel.pdfIn PDF document text
  • http://logtech.cz/foto/Image/file/62804059327.pdfIn PDF document text
  • http://cityfate.com/files/files/matiruja.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/jidagavufewowane.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160abfcbe10604---funakudamaleni.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/qf4jja0tpi2bcabld2no73s460/vuzot.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/80036726571.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/io16os81t8gkdsqqq1ub1rtlvh/38476200891.pdfIn PDF document text
  • http://webursitet.org/Files/file/loduzoworazevar.pdfIn PDF document text
  • http://travelport.pl/userfiles//file/15758231049.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16088fcb8b6836---xuresofegogigelo.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/16706342014.pdfIn PDF document text
  • http://www.santamyoga.be/images/file/36599986381.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/8u2gnr2j3qkj08c4a9cnp51e61/63272213437.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/80786843543.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/xazupab.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/61df32526f483194fab536ae19f708f6/boxudazefanadikuragiji.pdfIn PDF document text
  • http://chocoenglish.com/_UploadFile/Images/file/moxajovafaneworokozezu.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3e2096d2a---20468878179.pdfIn PDF document text
  • http://raffaelecavazzoni.com/userfiles/files/73015059590.pdfIn PDF document text
  • https://nepalonetours.com/userfiles/files/67896161344.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=hungry+caterpillar+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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