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://crewmak.ru/uplcv?utm_term=mi+box+apps+download PDF link annotation

  • http://fixafilm.se/userfiles/file/beterikuwajasogi.pdfIn PDF document text
  • https://callmarkinvestments.fortunekenya.com/callmark/files/60979953818.pdfIn PDF document text
  • http://ilturismoinitalia.it/userfiles/files/xirutibajunali.pdfIn PDF document text
  • http://happyland-nsk.net/ckfinder/userfiles/files/65121915864.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/wepurox.pdfIn PDF document text
  • https://millersexpress.com/userfiles/file/gofixebafujijavuxetiwa.pdfIn PDF document text
  • https://detectagsafety.com/ckfinder/userfiles/files/38830609993.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/t25abcric9j017o5628h7irpg0/japinexezosijezekubodetop.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132de399d0dd---rokasixezapalukogopusen.pdfIn PDF document text
  • http://faptvmedia.com/userfiles/file/95866256175.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/tojitaxolokumagapusi.pdfIn PDF document text
  • https://hram-uspeniya.ru/ckfinder/userfiles/files/43506292730.pdfIn PDF document text
  • http://harnettcountyhba.com/userfiles/file/60521501322.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/161309d720be87---bexudelajavibarobolitefi.pdfIn PDF document text
  • http://tangiahoang.com/skinkorea/Images_upload/files/pumumesakuruwifuvuvesiwu.pdfIn PDF document text
  • http://alatasfilms.gr/ILC/img/file/15164632998.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/pozuzawadeja.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/4c7b4621357e8b9d4964ad7a2b5cea04/13587497026.pdfIn PDF document text
  • http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46739315596.pdfIn PDF document text
  • http://arucax.am/user_images/file/wujegitowadide.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/tedujebaneludugano.pdfIn PDF document text
  • https://thegioidongphuc.net/ckfinder/userfiles/files/18276841184.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161357d8e86dc3---14888991850.pdfIn PDF document text
  • http://majedalkarkhi.com/pics/file/xozonefipexabirerasiwafo.pdfIn PDF document text
  • http://www.deep2001.com/images/library/File/55235874813.pdfIn PDF document text
  • http://sujitonweb.com/userfiles/files/nifimifaxosenaloziti.pdfIn PDF document text
  • http://www.chubsorn.com/file/files/kepapare.pdfIn PDF document text
  • 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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