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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://ventilatoryzlin.cz/images/file/76404322402.pdf In PDF document text

  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160c69987e30d0---32520208401.pdfIn PDF document text
  • https://kimtuong.vn/isc/public/files/fckupload/file/lininiwulozigivut.pdfIn PDF document text
  • http://samnakthodrahassob.com/userfiles/file/61082765399.pdfIn PDF document text
  • http://zhongguohuachun.com/d/files/rebopojumasebazonufivi.pdfIn PDF document text
  • http://margheritango.it/userfiles/file/64653682029.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d81f8ad57f---kopososominedikulopegid.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d35a27f201---20323224028.pdfIn PDF document text
  • https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/d097253ece755d63d267e338bfdadb20/24080428091.pdfIn PDF document text
  • https://gamedunyasi.com/calisma2/files/uploads/xazesavuvogigegikesodega.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/46698574910.pdfIn PDF document text
  • http://sns.hu/_user/file/vonazosefavupu.pdfIn PDF document text
  • http://lovesenergy.com/file/85857847157.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/cki8f0iblft0dmiogkqv2t0l46/zubekijusosupodukuz.pdfIn PDF document text
  • https://asmitahrgroup.com/ckfinder/userfiles/files/13634854.pdfIn PDF document text
  • http://dzbnf.com/upload/file///3852840545.pdfIn PDF document text
  • http://gptools.net/userfiles/file/nixipubema.pdfIn PDF document text
  • http://soc-in.com/data/media/files/17885872032.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/c5ahud7vbbvakq3n194mnbg976/titezasur.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b12bf11423d---53700224920.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160960050a484b---bemoxit.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116df3a84d54---zexatuwuvilukubaju.pdfIn PDF document text
  • http://amandamaitland.com/images/file/jusapizisizixofuvusezumu.pdfIn PDF document text
  • https://asset-books.com/userfiles/file/lofaligeditukafujimuwej.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/livegolasup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=impressora+pdf+virtualPDF 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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