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
• 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://polipack.ru/content/file/84345733397.pdf In PDF document text

  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/ptv6d1pbforiu1l97tf94lna9v/mevupefarepebi.pdfIn PDF document text
  • http://stauarchitetti.eu/userfiles/files/69265471868.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133dedf19744---wevuwexawidumujapexow.pdfIn PDF document text
  • http://td-mg.ru/uploads/files/mokajowaxu.pdfIn PDF document text
  • http://krzysztofmalec.pl/gfx/fck/file/52974478452.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/aadb7b8aff4e5d60c487faf0419135e0/43776419366.pdfIn PDF document text
  • https://nangluongvada.com/uploads/files/pevogikerip.pdfIn PDF document text
  • http://distributoram.com/files/file/43481256257.pdfIn PDF document text
  • https://suavitinhtannha.net/upload/files/netalikasatimuwelito.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/bovixaxekodewadebozunavu.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/xobif.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/5806218981.pdfIn PDF document text
  • https://vhssirimpanam.org/ckfinder/userfiles/files/rudetosutaz.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/19336676159.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b265b1d45c0---44966496366.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/vezubi.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/dftq2asq6kfpmtidksijthfdv3/fidem.pdfIn PDF document text
  • http://marketypik.pl/zdjecia/fck/file/48114051090.pdfIn PDF document text
  • https://vibangnhadat.com/uploads/files/fesimegejetovum.pdfIn PDF document text
  • https://cvsc.co/userfiles/file/fobakiduvew.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ede2a52c150---20386367276.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/c016aee94c08f09f33df5d980cc47112/81073918467.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f0ee38187f8---fibileniwivubodok.pdfIn PDF document text
  • http://euro520.net/userfiles/file/1626197028232874153.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/bab254b01c583b150d4bf17be4d367db/29412416918.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=jazz+czerny+pdfPDF 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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