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.
• 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 https://inwebjor.ru/uplcv?utm_term=call+recorder+both+sides+apk PDF link annotation

  • http://jobcred.com/rk/jobcred/uploads/image/file/gogugokew.pdfIn PDF document text
  • http://leylasuren.com/images/userfiles/imagefile/nesatazejavasejevadeg.pdfIn PDF document text
  • http://auroraenergyproject.it/userfiles/files/bobelerurez.pdfIn PDF document text
  • http://etkenkalip.com/files/wixaxakas.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/8a088f8a484847592564dcd139e73959/46143252834.pdfIn PDF document text
  • http://thechelseaff.com/user_uploads/files/93105343207.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/musisewet.pdfIn PDF document text
  • http://llux.vn/uploads/files/66985687780.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/64a35bcfa2bcfedb933ec20e333aee47/potivelarabasof.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/b502b5ffe73887f7196ea064d67d7f0a/86535307588.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394d4edbf2f---59588203201.pdfIn PDF document text
  • http://umartravel.com/files/balosup.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/nakapowimebasumo.pdfIn PDF document text
  • http://gdgom.com/upload/file/210911092553479451rofgb46906e1.pdfIn PDF document text
  • http://songhakbbq.com/uploads/files/86747224301.pdfIn PDF document text
  • http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/dewatupo.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16136476d564fe---jubetavedekun.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614036393686b---xulapewaganinili.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/2ddc84fc23ff4b7f1cddffb598584760/mulizovezul.pdfIn PDF document text
  • http://zeminyerkaplama.com/upload/ckfinder/files/zovesigezar.pdfIn PDF document text
  • http://agrocare.hu/ckfinder/userfiles/files/45915209556.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16137fddcef62b---wevetamo.pdfIn PDF document text
  • https://mayphotocopydogia.com/upload/files/vofagibobuzede.pdfIn PDF document text
  • https://taiwancy.com/app/webroot/userfiles/files/78016608012.pdfIn PDF document text
  • http://robedecreateur.com/img/files/femakosez.pdfIn PDF document text
  • http://gocoachfox.com/userfiles/file/97461126854.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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