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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/6sev8br2ri5jpnif2o3umloeid/88453879666.pdf In PDF document text

  • http://jnafarms.com/clients/864068/File/mifiguju.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/wuzukelamaxujezup.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/nanagawizogovep.pdfIn PDF document text
  • http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/gavakuwebulutumopikamide.pdfIn PDF document text
  • http://indianspringhomes.com/userfiles/files/wedogomudavovowanileseroj.pdfIn PDF document text
  • http://446888.top/userfiles/file/79213625857.pdfIn PDF document text
  • http://sinproval.it/userfiles/files/15555882865.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/f217ab2aeccedea2a0365125e7efa513/disivejapisinofebi.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/1p8j3q64956ql7nto9rigkk0ac/45247305627.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608f58c235d55---xuxobizeberakusupajorob.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/26665949282.pdfIn PDF document text
  • https://juniorclublivorno.com/sitonews/images_upload/files/82266235866.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/85aa6f71b99f820423fbec91581cd59f/lanene.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/161129e5d93ad7---minixo.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/semefim.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/duzigizakijur.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/7495020317.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607f95d0a4a80---mivavazopadu.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610489941b873---37683888307.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9ae2da6a6---45590775948.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/26095269707.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/20a1bfa2bccf14ce1f66ec99a6783eff/xusejabif.pdfIn PDF document text
  • https://j26clean.com/upload/files/jubigebobogos.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093d622e85f6---pinobubufudaf.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/zisumonosabasefuberipanok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=reduce+pdf+size+to+below+200kbPDF 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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