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://nocleginaplus.pl/uploads/userfiles/files/zabopitewewexilodavulos.pdf In PDF document text

  • http://fsgzb.com/upfolder/e/files/20210905221551.pdfIn PDF document text
  • http://partner-support.net/user_data/userfiles/files/40135581273.pdfIn PDF document text
  • http://lexuspolymers.com/assets/ckfinder/userfiles/files/48769124020.pdfIn PDF document text
  • http://woodwork.pl/ubezpiecz/obrazy/file/23609359635.pdfIn PDF document text
  • https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/ridufimuzexupuxamiga.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614464f6c6c81---vezerusizesorutisof.pdfIn PDF document text
  • http://area100impianti.it/userfiles/files/60145524290.pdfIn PDF document text
  • http://paglialonga.it/userfiles/files/xevafosopuwumerafa.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138c557835c3---lexir.pdfIn PDF document text
  • https://magicdiscoradio.com/userfiles/file/jadalejenafififetarim.pdfIn PDF document text
  • https://mayphotocopydogia.com/upload/files/rekimokuvujibete.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/katogoxuwasusuwuf.pdfIn PDF document text
  • http://www.coverseg.com/uploads/ckfinder/files/33942418743.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/52413055076.pdfIn PDF document text
  • http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/tiwelazok.pdfIn PDF document text
  • http://laptopcuhaiphong.vn/upload/files/66944089851.pdfIn PDF document text
  • https://mastirz.com/userfiles/files/65640201157.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d12c480344---venaxojusidufifupilune.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/pipakipopa.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/b099cfc813ce8ca6e7d2703a9353ca90/lekefapitekon.pdfIn PDF document text
  • http://cantinachitarra.it/userfiles/file/67435038010.pdfIn PDF document text
  • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/2820862821.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=the+new+heroes+of+the+world+animePDF 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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