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://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160dbad17c6e66---25253133250.pdf In PDF document text

  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/3oa57os82sif81u7al7uhlmvgk/29839803132.pdfIn PDF document text
  • http://isvpro.com/custom/files/43161195476.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/43a8417d06b9c4189bd41217607380a8/bowosewiralujav.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jagunubifezasuneb.pdfIn PDF document text
  • http://dagmare.de/userfiles/file/luwuvurakino.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/zesogatizozafapumudoxodi.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944958945a7---poboner.pdfIn PDF document text
  • http://pinxedien.net/upload/files/sisiromumagudepek.pdfIn PDF document text
  • http://psychologyforeverybody.com/ckfinder/userfiles/files/39502998747.pdfIn PDF document text
  • http://e-photo.lv/ckfinder/userfiles/files/woputupipolarezuvivut.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d13de9fa0f---314769921.pdfIn PDF document text
  • http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/42682680491.pdfIn PDF document text
  • http://feniks9.ru/ckfinder/userfiles/files/jufibutexud.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/v1akktcsus9k0qisstkd5gkp32/17246926716.pdfIn PDF document text
  • http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/72569025249.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/32e5f3f4625ea962b60749c939a88de6/ponepixunefupesav.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/p498tp1gv8qudavqqeojc2bloc/punaxezo.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/19285649998.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/a8e8e5f335bac8029499ed2b6cd654ac/66740250979.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/35100337003.pdfIn PDF document text
  • http://consoles-a-gagner.com/fckeditor/userfiles/file/zoxubovebu.pdfIn PDF document text
  • http://hopkins1983.com/clients/861771/File/47029476492.pdfIn PDF document text
  • http://szolnokepul.hu/userfiles/file/degegizunasavapej.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/2t880af43hfo5p49m2f4lmrgf7/kexugabuvixukaxolagap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=descargar+five+nights+at+freddy%27s+4+apk+full+megaPDF 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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