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.
• 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://allasclub.com/campannas/file/69494894469.pdf In PDF document text

  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616609ec5f42f---38491766398.pdfIn PDF document text
  • https://cian.hr/userfiles/file/23725771614.pdfIn PDF document text
  • http://lifeisartfoundation.org/sites/default/files/images/userfiles/file/53893083288.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/nazeselidujixidoleb.pdfIn PDF document text
  • http://zpb-maciejewski.pl/upload/fck/file/54231288615.pdfIn PDF document text
  • https://yunglin.com/uploadpic/files/lofogaperetuxekugu.pdfIn PDF document text
  • http://lukinserv.hu/file/suwonatumepale.pdfIn PDF document text
  • http://stimatacasa.eu/userfiles/files/49527802935.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139fda8a7f2d---59612185805.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/ed3f7881993965460f154e108d69362a/43667165033.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/pafenup.pdfIn PDF document text
  • http://dogable.de/userfiles/file/85282636924.pdfIn PDF document text
  • http://ctnphrae.com/ckfinder/userfiles/files/jovipizipoletoxezuribef.pdfIn PDF document text
  • http://rem-proekt.com/f/file/63505176660.pdfIn PDF document text
  • http://zygzak.eu/foto_dane/wysiwyg/File/32119515239.pdfIn PDF document text
  • http://mtreurope.com/ckfinder/userfiles/files/50207101475.pdfIn PDF document text
  • http://topenglish.sk/app/webroot/gallery/files/pedagijutapew.pdfIn PDF document text
  • https://marthomaktrplrdiocese.org/ckfinder/userfiles/files/3923398838.pdfIn PDF document text
  • http://avon-bratislava.sk/files/files/xokuzamarotine.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/838a45c23b7869db81d7a4719e9f0d91/bojiwonisuxepidikedozed.pdfIn PDF document text
  • http://amt-alarmy.pl/userfiles/file/gawojubenema.pdfIn PDF document text
  • https://fresh-cherries.com/ckfinder/userfiles/files/dokuludokujufonexaguz.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021101610490066.pdfIn PDF document text
  • https://erdenetpost.mn/userfiles/files/23556109639.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a86144db07---vonikitinixazarerafizeme.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/u-9XGpgKpwY/uplcv?utm_term=swollen+hand+at+nightPDF 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.netReferenced by PDF JavaScript
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

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