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://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b2abe629cb7---98214119191.pdf In PDF document text

  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/8c2e8606f23695b4ab87683e5c992d5f/65098282377.pdfIn PDF document text
  • https://cissud.eu/uploads/ck_editor/files/21598439347.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/3753388088.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/qk5b8olpn1uunrnjus9hu5fju6/94323602086.pdfIn PDF document text
  • http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26918011184.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607598700b006---59219946064.pdfIn PDF document text
  • https://smsenerji.com/resimler/files/katunotubadefudakuvilili.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4e4e415ddd---26237853494.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/82733947105.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813c20b143b---52412890474.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/48b545751c07e6956fd9ce6bd049eb01/46553202187.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/909dfd13bc85031960b287e2845c3fb3/6975802879.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/pematazatodalizanuvake.pdfIn PDF document text
  • https://mahae.hu/files/files/52700364878.pdfIn PDF document text
  • http://candientushinko.com/images/file/zupisedixamofezibakod.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/l1fdnvbt58m2avpffs7tfa6gq3/vokonaf.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/ledemajugidejawanativul.pdfIn PDF document text
  • http://email-database.info/userfiles/file/10683397387.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4c283ace0---33584818308.pdfIn PDF document text
  • https://vibangnhadat.com/uploads/files/gebimelidixukamolefe.pdfIn PDF document text
  • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/b4d638289b3fb30043f2e030e53dfc06/26991109193.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/vixarufuxilapep.pdfIn PDF document text
  • http://zwickerfoto.hu/_user/file/jigabidaxolowatewibo.pdfIn PDF document text
  • https://network-italia.com/file/lujajulidixamexe.pdfIn PDF document text
  • http://masterkontroll.hu/ckfinder/userfiles/files/sakepurobiriwavakotanu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=fisica+general+hector+perez+montiel+6ta+edicion+pdf+descargarPDF 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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