Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Document signing service impersonation lure medium SE_DOCUSIGN_LURE
  Document impersonates DocuSign, Adobe Sign, or a similar signing service in a signing-request context
• 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://lossfundraisingevent.com/clients/f/f5/f5ed5e364f2f51aa46a4c5982fab9a07/File/3690533529.pdf In PDF document text

  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/97beeb6ad7450d12c56f44e0530d00a2/51300554937.pdfIn PDF document text
  • http://longhornrings.com/clients/0/08/08da48574b41509ac7bedcf2500dc652/File/wuxaxegokesanupepafoga.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16084c9cf91dbe---48608682176.pdfIn PDF document text
  • http://mariamozharova.ru/uploads/files/57148486607.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cf4d30764---samozus.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/805f1a7db465448848d93ac1a38d6c34/wilujakajuninak.pdfIn PDF document text
  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/nofor.pdfIn PDF document text
  • https://toananhmedical.com/uploads/files/21907613997.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/db3f2edf7a19c3be2efda761ab4741aa/14142545874.pdfIn PDF document text
  • http://sirmamedia.com/ckfinder/userfiles/files/tawevipa.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/ximalewaku.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608aca1e36b60---rekix.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/sezulojonimubafokid.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16077479d68204---59749477738.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e2a24279a---nitulejowilujixopod.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/vabifulabanirige.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/bimijapar.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbd9400b66---71482723042.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/zajomelazimotonob.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/0e2157cf932542a234cce543f4ac7b70/jagusewemofuruw.pdfIn PDF document text
  • http://laxycoffee.com/upload/files/349747288.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/23256834931.pdfIn PDF document text
  • https://bursac.net/userfiles/file/5477057424.pdfIn PDF document text
  • http://entryexpress.online/chapter_images/files/95326348258.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=signing+pdf+on+iphone+8PDF 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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