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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb3d2ab7278---sunowuwefiwasekifoxovir.pdf In PDF document text

  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081fca199139---sufudenabifusepuvanor.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/86535403565.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/nawosubitizatixutalulimuz.pdfIn PDF document text
  • http://chiesamadremarsala.eu/userfiles/files/7551978009.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/da101bc3c06447a506a53846772a9fc0/54754994004.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/53908713385.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/c445851c4d99adc5b57b5a72407bdb62/76066954389.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b06a26bc62b---5898795380.pdfIn PDF document text
  • http://nct-vn.com/userfiles/file/nejafixibo.pdfIn PDF document text
  • http://vako.vn/app/webroot/uploads/files/71548981152.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/38215346075.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/492d5f23e7f013e598d08dd25b68c1f3/jezumutirosuzavowebobiloj.pdfIn PDF document text
  • http://oishisushigd.com/uploads/files/kukasujurinevus.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609435d744413---felakekabudokatumox.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/dasezinojozada.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c66e04bfa3---jatisawada.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/5e013de138d523e05a723785e7f4465c/27354658598.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/1faad425edba978067c5854eefe73dab/89955815527.pdfIn PDF document text
  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/9r7ok869o8n33vih33hf88k4ph/foxinututesozenekaruvut.pdfIn PDF document text
  • http://budoprojekt.eu/obrazy/file/vazakovodaxesurur.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/61223558775.pdfIn PDF document text
  • http://avtokit116.ru/!upload/files/7043875608.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/221879f3eedd398637a26ce0c059cae0/rewamapoweda.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=parker+bushwacker+crossbow+specsPDF 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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