Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• 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://ketchas.ru/uplcv?utm_term=where+is+the+trash+bin+on+an+android+phone PDF link annotation

  • http://frigotechreina.com/userfiles/files/teruro.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/6078041564.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/51d277f228326d97b19be79436f9a39c/55925355574.pdfIn PDF document text
  • http://thuexedanang247.com/uploads/image/files/sisuduvejomefipogewovo.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/25101327343.pdfIn PDF document text
  • http://mtsp.by/userfiles/files/59796771945.pdfIn PDF document text
  • http://cowmoo.org/ckfinder/userfiles/files/74751335459.pdfIn PDF document text
  • http://eric-parnes.com/ckfinder/userfiles/files/jupatob.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130d8319d283---58801143865.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/3rd3sld9v57resdtb82ecde2d1/38225005740.pdfIn PDF document text
  • http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/82086475266.pdfIn PDF document text
  • https://bor-diing.com/upload/files/fozudunisukuzudojusilotot.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/892518b0f84fd175e6c96292621a6590/31182284887.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130cad824fd3---48895653235.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/46619596457.pdfIn PDF document text
  • http://theemasternetworker.com/ckfinder/userfiles/files/zaxukobikisawododig.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/zorasukatarefavip.pdfIn PDF document text
  • http://sjzhtchem.com/upload/files/66393506980.pdfIn PDF document text
  • http://renknh.com/ckupload/files/rotorasolirewopiked.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/furonazuriterupoke.pdfPDF link annotation
  • http://medicaldistri.com/ckfinder_files/files/33421543999.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/fsokipsugq6v8afi152k6ptbva/pipunexeberule.pdfIn PDF document text
  • https://speakingparrot.com/upload/ckfinder/files/zaxilefukekapemufoz.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/161375f651b161---36301463335.pdfIn PDF document text
  • https://matharu.ae/userfiles/file/54509839509.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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