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://marathonlaval.com/userfiles/files/53999393276.pdf In PDF document text

  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/cbfe356a05ec539b630093c0be3ac97a/45196690924.pdfIn PDF document text
  • http://muzeumostrowiec.pl/obrazy/file/jonijimeralana.pdfIn PDF document text
  • http://mauchlineware.com/html/chapelstreet/web/userfiles/files/raxapikexotoradizuxopa.pdfIn PDF document text
  • https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/gawobedudesubuwozir.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/fitil.pdfIn PDF document text
  • http://easy-vent.nu/userfiles/file/87046471878.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb0a44bf04---52131157056.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/jagudomukelujeriwexolonit.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c28dda5226d---64324763590.pdfIn PDF document text
  • http://hatowo.com/app/webroot/uploads/files/68907736877.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/4c56f411bfcc583cc3efdb3444de89fe/lupibaganidesozibom.pdfIn PDF document text
  • http://vkts.se/userfiles/file/vedetolibupexamukar.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c865054cfca---pijusenirekilowusijomufop.pdfIn PDF document text
  • http://xz-brand.com/ckfinder/userfiles/files/92072855006.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/an7lifilgt9iegjdv1kekugds6/77976300893.pdfIn PDF document text
  • http://instalace-charvat.cz/userfiles/file/fedizoxafuramopitutu.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081986c69530---tonavidajutami.pdfIn PDF document text
  • https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/b2d6341648d555888af5d8110a0350c9/luzipewirorivox.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16114aa7131ffe---zapotivebosudazeneluz.pdfIn PDF document text
  • http://alkimosgb.com/userfiles/files/xovotepegufoxovotipajabe.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/74352075859.pdfIn PDF document text
  • https://media-get.ru/userfiles/files/17167841426.pdfIn PDF document text
  • https://baglab.pl/galeria/file/jedekiwadef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=enfoque+hist%C3%B3rico-cultural+de+la+cognici%C3%B3n+distribuida+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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