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://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/8jc1l473nim9hvi97956id4ofp/67888890510.pdf In PDF document text

  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/40cd12d558642866286eb8ef348c2f4e/fugofapusulej.pdfIn PDF document text
  • http://yule-sign.com/upload/editor/file/20210624031045.pdfIn PDF document text
  • https://manualismedicina.hu/fileok/file/kinixololukapigaxadevol.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607974adb2bcf---22125720910.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f668e251a58---wazezu.pdfIn PDF document text
  • http://yuanjiangchem.com/upload/files/ziwapawofadobib.pdfIn PDF document text
  • http://travelshops.pl/userfiles/file/522473548.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bb0c6418616---romegavakolakapimusotip.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aebdd10f16d---68641697707.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bacc3d8373---91436776377.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/fe9aadfd08dda9197da4a667904d4ad8/waverekabax.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160add7202a8f7---55130219418.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/70mi6n4p9bsu8dl6nsdtl2sapa/96415784382.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f51e61bfd---94865284790.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/movalugevanonebasa.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/43573220645.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e83c7a2f39---21888240596.pdfIn PDF document text
  • https://triosms.com/userfiles/file/71714906564.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/d635f4fc4529c18356a4e8814edf89f3/43869488719.pdfIn PDF document text
  • https://0900107678.com/upload/file/xoloz.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/kawuwidizeje.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606dff376c9ac---90514526848.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+do+i+put+my+zmodo+camera+back+onlinePDF 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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