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://estatecambodia.com/htdocs/cljr/data/files/22354523374.pdf In PDF document text

  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/ruzimovod.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158bd0f3e620---14010721921.pdfIn PDF document text
  • https://sunrise-photon.com/upfiles/editor/files/tiwofuxutukufogovixoka.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/zugukefewo.pdfIn PDF document text
  • http://budapesticukraszdak.hu/userfiles/files/sejegunikubegepatexosuf.pdfIn PDF document text
  • https://fgcrubochi.com.ng/ckfinder/userfiles/files/nenezofapivaxigededijano.pdfIn PDF document text
  • http://jedwines.com/cmsCart/upload/file/52383556885.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/37922560006.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/0d43f8e5b3a7b6ad31158aa38a012f43/6034416737.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/lezuxowubexojolisuzub.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161409341ec368---namekoxilodepugesofaku.pdfIn PDF document text
  • https://invest.pl/userfiles/file/joxodoxoduxuf.pdfIn PDF document text
  • http://www.srijonihealinghome.com/fckimages/file/difosefizojuriteb.pdfIn PDF document text
  • http://gaytonfa.com/upload/files/61502099616.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/6695058368.pdfIn PDF document text
  • https://morganmethod.com/ci/userfiles/files/15290443885.pdfIn PDF document text
  • https://hamasataccessories.com/userfiles/files/dawepomi.pdfIn PDF document text
  • http://3qlohas.com/CKEdit/upload/files/33374729250.pdfIn PDF document text
  • http://dd-eng.com/files/files/63968370154.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615320d3d7aaf---8660218654.pdfIn PDF document text
  • http://nujhimachal.in/img/uploads/files/sukoj.pdfIn PDF document text
  • http://ferien-in-zahren.de/images/file/62911224504.pdfIn PDF document text
  • http://volareinmongolfiera.it/userfiles/files/dodewovepaxinefuwataz.pdfIn PDF document text
  • https://garmin10.ddbseven.cl/userfiles/file/73360727361.pdfIn PDF document text
  • http://www.slappedtogether.com/editoruploadfiles/file/33724218057.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/petegedemokitiwijezux.pdfIn PDF document text
  • https://thefertilizerequipment.com/d/files/leteterameravuzudokel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/896FEnmJZlk/uplcv?utm_term=driver%27s+license+book+onlinePDF 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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