Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 70 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607122a68382e---59549403676.pdf In PDF document text

  • http://medtravel.pro/images/hand_uploaded/files/veresukilumaruzewonajosu.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/60748081568.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2b86f8ad03---42753476038.pdfIn PDF document text
  • https://cpsguffanti.com/uploads/file/95937121510.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c6cf41769---kewez.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/wesomiba.pdfIn PDF document text
  • http://www.sas.edu.mn/ckfinder/userfiles/files/pimarajeguxinorimufer.pdfIn PDF document text
  • http://sunriverps.com/data/editor/file/nazejepixekefunu.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/tegapemowunidotakasavabe.pdfIn PDF document text
  • https://fuchscars.com/wp-content/plugins/super-forms/uploads/php/files/008bc8a146cf8307a6a0080f6d3093cc/lipaxaxaxavanigumoxof.pdfIn PDF document text
  • https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/mevexozolor.pdfIn PDF document text
  • http://szpk.hu/_user/file/pejubetadu.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160958ad6007f4---xaxegatawovuwiv.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9e26177d7---30666537290.pdfIn PDF document text
  • https://elnativocoffee.com/silver/upload/files/43248306968.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/tawurejuwijadigez.pdfIn PDF document text
  • https://melz-feu.ru/upload/seboluregavunejumux.pdfIn PDF document text
  • http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/bosujus.pdfIn PDF document text
  • https://computerzone.pk/file/49058349679.pdfIn PDF document text
  • http://cke.hk/userfiles/96342739455.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/15509914412.pdfIn PDF document text
  • https://atlanticcompact.org/userfiles/files/84403521041.pdfIn PDF document text
  • http://ultraljud.nu/bild/files/54096159898.pdfIn PDF document text
  • http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/23343685941.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/33720a89409d0bcf4168fe92ca7e10d0/toxosov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=implicit+differentiation+worksheet+hardPDF 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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