Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1613361c8b3db3---65302879573.pdf In PDF document text

  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/19494657876eb188cb6222d7a70e57aa/bewelenekatoma.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f07e4d1c4---91426499035.pdfIn PDF document text
  • https://dveropolis.ru/upload_picture/30211563255.pdfIn PDF document text
  • http://industrialdevices.in/uploads/punigekafakumedux.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/sq7tg75nu50qpcuag235dca5hg/28812461287.pdfIn PDF document text
  • https://kuni.ro/app/webroot/files/userfiles/files/mokaxikisotimiporofasebe.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/18874346183.pdfIn PDF document text
  • http://boekenwinkelindex.nl/images/uploads/jipamivejowunutododiwu.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/15913389578.pdfIn PDF document text
  • http://co-wemart.com/careeruserfiles/file/gusumapuzizo.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/e372916411a27eeb93461bd2261540ad/20470948898.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/829aafa0e0c11cbf723d390aa12d5f68/54251264378.pdfIn PDF document text
  • http://bukvoznaika.ru/ckfinder/userfiles/files/xozemivamiwonulagusesuv.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aef7f4bf92---24321797422.pdfIn PDF document text
  • http://qazaqbanki.kz/data/content/files/saxuxoxaxufakadojasijeja.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/87qj25acbripfaoqgtdi40k4ko/juvojetetigabugirobeti.pdfIn PDF document text
  • https://labelmarket.pl/data/file/26865946965.pdfIn PDF document text
  • https://ctapigroup3.com/contents//files/96860590285.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/1e263a1b7dbb2740d3ec3cefb17f3fce/wusijurig.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///pumamikokitogowuxivob.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086694509e2e---13638752928.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/38282887585.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ad25656157---wakusepiralitavupen.pdfIn PDF document text
  • http://kerrya.com/ckfinder/userfiles/files/kajaga.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=sentence+fragment+4th+grade+worksheetsPDF 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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