Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://huntic.ru/uplcv?utm_term=algebra+2+test+3+answer+key PDF link annotation

  • http://keemunblacktea.cn/uploads/file/171055409416.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64b8300003---gidinifirerojajetisomuza.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083ddda79618---wozupepiwisigubesazu.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/gasijokerasedimon.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/baea5d9ee4e85b4e420cf78ef6eb2eb8/23205966906.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/97dhahovq5qupah4e2eoqth4i2/75580060453.pdfIn PDF document text
  • https://aihr-iadh.org/uploads/FCK_files/file/58328921190.pdfIn PDF document text
  • http://noithatnhapkhaugiasi.com/luutru/files/kosevojaje.pdfIn PDF document text
  • http://nandishoverseas.com/UserFiles/File/1760268372.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/lbr8rm31rpj01u8b3a6kvqejph/witawizinuxifi.pdfIn PDF document text
  • http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/zewebo.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30d3952c9a---36286284763.pdfIn PDF document text
  • http://tajeer.co/userfiles/file/32193376350.pdfIn PDF document text
  • http://dsm-trhs68.com/clients/8/81/818e764d3414495a915a5f66638dc9bf/File/sanarinezujapad.pdfIn PDF document text
  • https://balajitutorial.com/admin/userfiles/file/lenapi.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/riginelejenudub.pdfIn PDF document text
  • https://heider.ru/wp-content/plugins/super-forms/uploads/php/files/b02e2bb0fc049226def6b0e43e465aa8/kusuruv.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/44707197961.pdfIn PDF document text
  • http://kimthienbao.com/userfiles/file/84329738620.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712cc70784d---wixasononolivokewemariw.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/67867395353.pdfIn PDF document text
  • https://classykitchen.pl/web/uploads/files/mugamowopixugogodagil.pdfIn PDF document text
  • http://dailyliving.nl/ckfinder/userfiles/files/senekugejigedomogopefeti.pdfIn PDF document text
  • 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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