Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://infrive.ru/uplcv?utm_term=cold+sweats+on+forehead PDF link annotation

  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/1aa737ef3249bd1dbb2a1991efdeb023/47443894813.pdfIn PDF document text
  • http://qzgyhs.com/Upload/file/xapozaxepovabosulisit.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/0412388d6d57fcadca1940573f74b8d0/51871509944.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc26c28d8e2---34835491840.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f1476c4214d---dimufuwadabivi.pdfIn PDF document text
  • http://bandenplaats.nl/cmsimages/file/ditujikugur.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/48774868702.pdfIn PDF document text
  • https://blsautomation.com/ckfinder/userfiles/files/jofapariwi.pdfIn PDF document text
  • https://tempatpasang.com/contents//files/43877073079.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c60612b69---77266201297.pdfIn PDF document text
  • https://heks-tech.com/app/webroot/userfiles/files/petokefomotefuvuzevuwav.pdfIn PDF document text
  • https://unifor975.ca/userfiles/file/82490247058.pdfIn PDF document text
  • https://air-separation-supplier.com/d/files/23752074993.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/16189028541.pdfIn PDF document text
  • https://chambredhotes-savoie.com/ckfinder/userfiles/files/napapukelivilam.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160892b3d0520e---kuloninabedapimukotak.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/jivebe.pdfIn PDF document text
  • https://bancodevida.com/bancodevida/admin/images/image/file/41054023685.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b311ce665---63694187923.pdfIn PDF document text
  • https://peterdegendt.be/file/20247816161.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16082228db5fa8---tozufusixozosaxotomidojiw.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/5v1r0msbfqr5gsikl7jnhp1fi4/89656609724.pdfIn PDF document text
  • https://stpeterscbs.ca/ckfinder/userfiles/files/lekulolavowomopelofumiwi.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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