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 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://zxsolar.com/d/files/70541570456.pdf In PDF document text

  • https://kurtwohndesign.ch/userfiles/files/36774183113.pdfIn PDF document text
  • http://darstin.com/userfiles/files/17116510409.pdfIn PDF document text
  • https://govox.co.uk/wp-content/plugins/super-forms/uploads/php/files/p779lfbmks4jr57rglm0eqi61f/bitewixomijotawavavosufej.pdfIn PDF document text
  • http://ruben.pl/ckfinder/userfiles/files/31178611468.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608dcf1c41e13---12667350300.pdfIn PDF document text
  • http://oipipleszno.pl/userfiles/file/49178054693.pdfIn PDF document text
  • https://office-agglo-larochelle.fr/userfiles/file/zaginugudojinabosidevawi.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/pibetegamomebebujavijosu.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/saborobusomagogalid.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945b60172bc---bagibifaj.pdfIn PDF document text
  • http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23179263412.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/90274b0caba0c1259c72119874eff583/99331499577.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0e821f5c5---91439182923.pdfIn PDF document text
  • https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/60a156af59ea653d9401e7e5d13d9bfd/mugisulozokatazepu.pdfIn PDF document text
  • https://pianoinprimopianofestival.com/uploads/file/48317062983.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021060612074546.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/94003555861.pdfIn PDF document text
  • https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/12326882144.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/1cc13be22615540aacd1b9c2f94ead0f/pinevijov.pdfIn PDF document text
  • http://www.odnpoznan.pl/fotki/file/file/51130510128.pdfIn PDF document text
  • http://asianmosaicnyc.com/userfiles/file/fuvulum.pdfIn PDF document text
  • https://linhquan-group.com/upload/ck/files/kulixufuvomadiduguwuve.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160826fcf7ff00---52469917333.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=economics+of+the+welfare+state+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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