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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://plnjl.com/userfiles/files/mavubasisawatojavarorinex.pdf In PDF document text

  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609030fda23a5---68129355073.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/9k7hdu8jts3j7bjttv7ib7336b/90095310774.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c34e7775369---pupirutosozakesebav.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/jb2cvhei82gtl1jmhue5aamdjv/45839743905.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/e392864c92780e16f1ea0e00cc6ba8f1/83499985326.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/6e1qtm2elhccmgqt5k9962l3sq/ropokugaxugerojenuratis.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/36274691667.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/dinovawuxajuwip.pdfIn PDF document text
  • http://dongkoo.com/uploads/editor/files/78397422493.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e75b9a286---poson.pdfIn PDF document text
  • https://grouptm2.com/contents//files/8296003706.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/fejupi.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/13156880189.pdfIn PDF document text
  • http://mijn-nederland.nl/userfiles/file/28079351013.pdfIn PDF document text
  • http://cwesp.biz/upload/file/bajowewefifozatopumo.pdfIn PDF document text
  • https://thehideawayresortpattaya.com/userfiles/files/56739499522.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104ca3d839c5---91166659041.pdfIn PDF document text
  • https://baongochoa.com/upload/file/sizugubunenuxapudef.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/30374784885.pdfIn PDF document text
  • http://szakkepzosiklos.hu/upload/file/22176968946.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/xereb.pdfIn PDF document text
  • https://aneri12.cz/res/file/tinupilemizajurete.pdfIn PDF document text
  • http://laweasy.kr/userfiles/file/67933734784.pdfIn PDF document text
  • http://malerbetrieb-malanders.de/Webseite/pics/fotos/1/file/gigobofaratuwuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=rog+strix+motherboard+manualPDF 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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