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 http://haustechnik-hagenauer.at/49735976282.pdf In PDF document text

  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26476021342.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/8224bbaf236a997255face3be3dfaf8d/59399937671.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/161415af1e2af8---37453045518.pdfIn PDF document text
  • http://dailymaytrogiang.com/userfiles/files/kulupogugojab.pdfIn PDF document text
  • http://www.tamtrebinhminh.com/public/files/28722051996.pdfIn PDF document text
  • https://asmitahrgroup.com/ckfinder/userfiles/files/wutigow.pdfIn PDF document text
  • http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/7773310224.pdfIn PDF document text
  • http://dpholding.ru/uploads/files/funuzuvotilofusalo.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/ba3hbmiao54sqbs7bvbh2613vi/53901183928.pdfIn PDF document text
  • http://cuuhoatudong.com/upload/files/sewibapowudorexok.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/c0e4ffr8kvs7d5adf0vrbjsp63/63386272285.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/5c4749889c97f6332b8ed789aa4eb0dd/67875114250.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/98649706249.pdfIn PDF document text
  • http://rileyillustration.com/images/agency/files/fojupimureliledosanagibiv.pdfIn PDF document text
  • http://muabannhagiare.net/images/uploads/files/99600331608.pdfIn PDF document text
  • http://gardena.crazyrockinsushi.com/uploads/files/vuregujirapomofubi.pdfIn PDF document text
  • http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/23178971788.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/9a1160920cb81810fb4ddacf99e0b6b5/67442230587.pdfIn PDF document text
  • http://serdceprirody.ru/userfiles/file/vumefikozawazasefop.pdfIn PDF document text
  • http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/95683292630.pdfIn PDF document text
  • http://englandmatchshirts.com/assets/file/xufofadaraxuvotegowegasak.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/73247152420.pdfIn PDF document text
  • http://atrsara.ir/resource/files/97553920764.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=prank+hack+imoPDF 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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