Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 https://laborke.ru/uplcv?utm_term=mining+geology+pdf+books PDF link annotation

  • http://mcap.cz/images/uploadedimages/file/93853108615.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/3b35060b09d04209dd69c7944cf95391/6012850522.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/31133145249.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021062219142435.pdfIn PDF document text
  • https://red-adlay.com/upload/files/92699434763.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c05d3a25300---97975002028.pdfIn PDF document text
  • https://mmszke.hu/files/file/fikuwepixaximepuso.pdfIn PDF document text
  • http://bluekeydigital.com/images/pic/file/divebesixajamilele.pdfIn PDF document text
  • http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/bijomebez.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/revepi.pdfIn PDF document text
  • http://127.0.0.1/bantraicay/js/ckfinder/userfiles/files/jusijepabolib.pdfPDF link annotation
  • http://computergramm.com/userfiles/file/putizofalarowogezejilir.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/3j7bcbd07iju21fgqtcdeah2vo/vitusitubak.pdfIn PDF document text
  • http://hasyo.net/files/file/75203966155.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c9931d5b26e---towaxipeleputesuvovuwav.pdfIn PDF document text
  • http://laser-piskovani.cz/democms/userfiles/file/76278020413.pdfIn PDF document text
  • https://corpusbg.com/files/fck/file/24080117761.pdfIn PDF document text
  • http://belean.pl/userfiles/file/12138934777.pdfIn PDF document text
  • https://wrd13.com/force/file/giwafelobezogafowuwafosa.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/87599316954.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/e524fefe7c18b0da21e071512cbef4e7/29474555015.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3099c0da43---tititizikod.pdfIn PDF document text
  • http://aokisuper.com/ckfinder/userfiles/files/kipepagan.pdfIn PDF document text
  • http://vagtteam.com/userfiles/Files/labalitalujirasodagivote.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1622052296.pdfIn PDF document text
  • https://muahohangnhat.com/app/webroot/uploads/files/dizotipodazuxe.pdfIn PDF document text
  • 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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