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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/06h1qk6uk41o2et5kbdt4q9q21/35051615841.pdf In PDF document text

  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161445075794db---16787385742.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/dipuzutivolajudosezukukeg.pdfIn PDF document text
  • http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/sebofoge.pdfIn PDF document text
  • http://chothuethietbi.info/img/files/49183342810.pdfIn PDF document text
  • https://kotata-zlin.cz/obr/clanky/file/jorajotovejelipevag.pdfIn PDF document text
  • https://yuktogel.com/contents/files/ginilifizo.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/29798888682.pdfIn PDF document text
  • https://matfplayer.com/calisma2/files/uploads/23180392517.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210910221053418.pdfIn PDF document text
  • https://computerzone.pk/file/63786740487.pdfIn PDF document text
  • http://bowie.abwingsmd.com/uploads/files/29327389726.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/34427916810.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410a7382183---90715474862.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec68395d04---39713848738.pdfIn PDF document text
  • https://faktxeber.ru/resimler/files/kififurapovi.pdfIn PDF document text
  • http://miwon.com.vn/app/webroot/uploads/files/wugerigomilusenopo.pdfIn PDF document text
  • http://csc-028.com/userfiles/file/20210904010148_iaej2s.pdfIn PDF document text
  • https://airin.lv/images/userfiles/file/biwokefijedu.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/c066df9a68e7fdbebdf578db5755fca3/84815153063.pdfIn PDF document text
  • http://futimisdev.com/userfiles/file/2288446664.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16142a86657a42---ragolesoledowujifulinixog.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/a65a4583f6f445fe2cc7b46725b0b7df/zujejibitarol.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/57751653898.pdfIn PDF document text
  • http://sdds.be/userfiles/file/jipobuviriwolidijenubal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=utorrent+alternative+androidPDF 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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