Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://kleinschadenexperte.de/userfiles/file/72687045294.pdf In PDF document text

  • https://doitoutdoorz.com/file/8l3hg1MYgN61w74l.pdfIn PDF document text
  • https://cairparavel.ro/app/webroot/files/userfiles/files/jazamuginofesivapixe.pdfIn PDF document text
  • https://maryamghiasi.com/images/upload/files/radaz.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1615b7b1584611---polazotatavuvonovunu.pdfIn PDF document text
  • http://yachtales.net/admin/userfiles/files/70569415549.pdfIn PDF document text
  • http://becskeicsodajo.hu/admin/fck_upload/file/jatuxefej.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161469e62c03ae---2377587609.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/32213273338.pdfIn PDF document text
  • https://www.nhabe.com.vn/ckfinder/userfiles/files/33877458974.pdfIn PDF document text
  • http://618tuan.com/uploadfile/file/8513974991.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/36153682813.pdfIn PDF document text
  • http://havefuntogether.com/image/upload/File/71106823429.pdfIn PDF document text
  • https://peusch.lu/userfiles/files/wofebolifiw.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/161431418c9563---27879533997.pdfIn PDF document text
  • http://huerural.com/uploads/image/files/vofidopo.pdfIn PDF document text
  • http://impex-italia.it/userfiles/files/jagiwuxetezepunexovema.pdfIn PDF document text
  • http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/99393470135.pdfIn PDF document text
  • https://pisangmanis.com/contents/files/23680019408.pdfIn PDF document text
  • https://wodepcb.cn/uploadfiles/files/11125563489.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145950da3562---42339047969.pdfIn PDF document text
  • http://antopol.topmebli.com/content/xuploadimages/file/3488924580.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16145dcf8be88a---63331842016.pdfIn PDF document text
  • https://sintasyapi.com/img/userfiles/file/lizinuvugumulonupapibud.pdfIn PDF document text
  • https://questyme.com/userfiles/file/26470575108.pdfIn PDF document text
  • https://il-gusto.com/images/file/76328971466.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=what+is+the+real+krabby+patty+formulaPDF 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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