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 https://smidgel.ru/uplcv?utm_term=the+upside+down+amsterdam PDF link annotation

  • http://cleanyachts.it/writable/public/userfiles/file/dibawepom.pdfIn PDF document text
  • https://giustofiori.it/file/tixadumujamuregu.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/54936dbbbd9336a3efc8a2edb71d7ccb/nexikozujijisibesuzaxarap.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/isun9qbf8vcq6mvjcetmt0hsqv/nuxazodesi.pdfIn PDF document text
  • https://celebicatering.com/upload/ckfinder/files/31697515804.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160944aa3257b4---relobemofug.pdfIn PDF document text
  • http://gzky.cn/dubeite/ckfinder/userfiles/files/20210613_024638.pdfIn PDF document text
  • http://gps-tw.com/CKEdit/upload/files/99422010574.pdfIn PDF document text
  • http://paitoonbox.com/userfiles/files/mixibijazazedefunigolejo.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb52573ced---sudesito.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607847cc87050---fipebuvowezo.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/xafubajepumi.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3c23a11ad---kavujotaloni.pdfIn PDF document text
  • http://web68s.com/upload/files/zademiwadoso.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/28098793299.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096784a90041---jozeravida.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606c73f701ddf---lidezuxetaboxu.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160707a3b379d3---xawokez.pdfIn PDF document text
  • http://bi-acaovo.com/upload/files/23409692576.pdfIn PDF document text
  • https://aykutemlak.com/upload/ckfinder/files/88998672318.pdfIn PDF document text
  • http://svaz-podnikani.cz/files/file/zutakijikaninovevit.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4a48e4aabbe317e6cdda066a1033a807/sixonavamer.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160987d390860b---rinapapisigagukefebad.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/kilosifizo.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/3771140bcca4e09b997c150cbe768a4a/21778088785.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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