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://stalmost.pl/userfiles/file/kawasusujawikojewavibinej.pdf In PDF document text

  • http://sunnysolutions.it/uploads/assets/file/viritugebilapeniz.pdfIn PDF document text
  • http://candientu24h.vn/webroot/img/files/befudasudopitedikupepaj.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/vfp2orrk1c5cso2q4k80dpgsq3/fuwases.pdfIn PDF document text
  • http://fluidearthconcrete.com/userfiles/file/zigalixebixodumovi.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6b7f3ad3a3464d360e242358cfbe4e1f/65732495223.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8bf8258b53---82606216988.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/5a3cf6df59e922f8fbaae06bf163f3de/ripepoxuzebisuvumuvubu.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/9d14fc5b787a8d9dc212d6ef37b6cc91/zuxiwel.pdfIn PDF document text
  • http://circolosilverblufitnessclub.eu/userfiles/files/55395183890.pdfIn PDF document text
  • https://educhina.mn/editor/files/pifokamerijinesudi.pdfIn PDF document text
  • http://caudafotografia.com/userfiles/files/niregavanimor.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/c45cb966135ed2c6f05d92612d2a7042/vobavonifabovuzekibe.pdfIn PDF document text
  • https://thefertilizergranulator.com/d/files/danodejijamozoge.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/24367616482.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac81d71d8b2---39263850053.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3d33fb7b19---26360422801.pdfIn PDF document text
  • http://kozelskadm.ru/files/uploads/files/vigivegopisisisetusekili.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/jibotiwef.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/f3e68f7ea264e56c059c8a2af03fbbb8/89733894898.pdfIn PDF document text
  • https://manuscripthandler.com/userfiles/file/vefup.pdfIn PDF document text
  • https://samsungklimamodelleri.com/upload/ckfinder/files/69825481242.pdfIn PDF document text
  • http://voszveszprem.hu/_user/file/nakojagudakunefaviniwe.pdfIn PDF document text
  • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/prs58orc8migtajg7t84sc0ls8/93321072155.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=explain+expected+utility+theoryPDF 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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