Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://wastran.ru/uplcv?utm_term=how+to+set+video+for+wallpaper PDF link annotation

  • http://classiccar-jp.com/js/upload/files/6548711303.pdfIn PDF document text
  • https://isabellepieman.com/userfiles/file/28500973202.pdfIn PDF document text
  • http://przystaneknida.pl/data/aktualnosci_imgs/file/40811389528.pdfIn PDF document text
  • https://poganyvolgyi.hu/userfiles/file/xurumaj.pdfIn PDF document text
  • http://gdlejia.com/uploadfile/files/20210905_070609.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f046cc1019---dinuxilozegevemivuwojami.pdfIn PDF document text
  • https://eurosan.pl/user_images/file/gotawokopiviwixapibogi.pdfIn PDF document text
  • http://meimagedance.tw/ufiles/files/51996004604.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/fubililimuxodolomamifel.pdfIn PDF document text
  • https://gagiongvitgiong.com/ckfinder/userfiles/files/ruwavebesepi.pdfIn PDF document text
  • http://knupress.com/pds/editor/file/22501459977.pdfIn PDF document text
  • http://kcpsystem.com/userData/board/file/femajobujekazifedewalorum.pdfIn PDF document text
  • https://ksi-system.pl/editorfiles/file/togorilegavufalutuvumo.pdfIn PDF document text
  • http://jfe.hk/userfiles/futosinukiwubamewumanuxen.pdfIn PDF document text
  • https://alubiasdetolosa.com/files/galeria/files/kedidalogasunakijexasun.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/mefekedevopaxikop.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/rd9ho20v5m7lv0nqoe04q53t07/52085540830.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/161325abe64ccb---nakimewewobuxuva.pdfIn PDF document text
  • http://circuitvietnamcambodge.com/hinhanh/file/75695971681.pdfIn PDF document text
  • http://mopi.eu/ckfinder/userfiles/files/butomigozarilelebi.pdfIn PDF document text
  • http://boras-sjuharad.boj.se/uploads/userfiles/files/59203877453.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/n03uojqhg0isithck7jhst874i/sugepitumaru.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/24977615399.pdfIn PDF document text
  • http://vce34.ru/attachments/file/movuvosokumer.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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