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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://queure.ru/uplcv?utm_term=compliance+bengali+meaning PDF link annotation

  • https://ristovski.mk/public_html/upload/userfiles/file/32519590297.pdfIn PDF document text
  • https://westech.solar-napkollektor.hu/js/ckfinder/userfiles/files/84349825361.pdfIn PDF document text
  • http://karpatskiles.ru/store/files/48788132710.pdfIn PDF document text
  • https://citronixdeflection.com/nbloom/fckuploads/file/fobep.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/81937035031.pdfIn PDF document text
  • https://jxlmedu.com/file/files/20210913_010058.pdfIn PDF document text
  • http://zanethompson.com/userfiles/file/demizuwuzaveli.pdfIn PDF document text
  • http://fzsvybbs.at/userfiles/file/45331645425.pdfIn PDF document text
  • https://nordiskvillaventilation.dk/userfiles/file/53760876424.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16137923934cc2---jebotupuwore.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161582fa13b168---25566867092.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/51706286594.pdfIn PDF document text
  • http://cherriestattoo.com/ckfinder/userfiles/files/likitavexefez.pdfIn PDF document text
  • http://fijiembajak.com/uploads/ck_uploads/files/digezegosobimafilagud.pdfIn PDF document text
  • https://eastoncn.housemember.com/uploads/files/16045467772.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133472ec2b6d---67551694861.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16137d34287dc0---32119221107.pdfIn PDF document text
  • http://pcserviszlin.cz/ckfinder/userfiles/files/14603518850.pdfIn PDF document text
  • http://vizcsap.hu/files/file/12529908555.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/5c26306aa7b369865e6ab9f54a439db6/88320836489.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/17107837537.pdfIn PDF document text
  • http://hoachattn.com/image/files/56218699357.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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