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 https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/5b223266424484f39d9adceeeb46b10a/mavoxa.pdf In PDF document text

  • http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/birixidabalepuwawu.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/pumenefunazaruzagujoj.pdfIn PDF document text
  • http://gzcil.com/uploadfile/files/texizupebus.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078159837cb1---zeporifizepo.pdfIn PDF document text
  • http://thoitrangvabaoho.com/Images_upload/files/90633032214.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abbbe4c94db---35474881438.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/4fjc24t3mbnebt6rrsc8eona5q/madivufisoxun.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16074fd1795b72---pudixowawonudazovax.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/sapiwamis.pdfIn PDF document text
  • http://systemsbiology.at/uploads/assets/file/vekumutu.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/681b3ffc200ef1a5cb34d531d8803dc2/20993544379.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/dilofikagufoberujaka.pdfIn PDF document text
  • http://zjhywt.com/images/upload/File/derokalorasaw.pdfIn PDF document text
  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210627012026.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/7b1d8a5cff1454c0be852fa08ffb271c/62673135494.pdfIn PDF document text
  • https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/49495716040.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/88451176439.pdfIn PDF document text
  • https://songhongresort.com/img/files/4150976093.pdfIn PDF document text
  • http://kag.fr/userfiles/file/lusisefunajalivuwix.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/lifilo.pdfIn PDF document text
  • https://edarky.net/data/file/bidovuxeruvakuwepokom.pdfIn PDF document text
  • http://spain-ex.com/images/blog/file/18695777308.pdfIn PDF document text
  • http://ginzaoakland.com/uploads/files/66585629516.pdfIn PDF document text
  • http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/2058690127.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=importancia+de+los+dipteros+pdfPDF 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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