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 67 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://huntic.ru/uplcv?utm_term=download+picsart+gold+apk PDF link annotation

  • http://28777886.com/Lpf/UPFILE/userfiles/files/gogujexu.pdfIn PDF document text
  • https://rainbowprinter.com/app/webroot/files/file/sezejitumoka.pdfIn PDF document text
  • http://kirakuramen.com/uploads/files/nisodanojavos.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/fb7bf4d0f45ead1edaf3153a9a296221/xofeponanowilunogoro.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/e66ef152f486870fcbe339f428933513/mikukexixelilo.pdfIn PDF document text
  • http://back2wood.de/userfiles/file/79501089174.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/fc4rl5sa28dkg6e37878gi89s2/29056320375.pdfIn PDF document text
  • https://edinburghpools.com/contents/files/juzubasukubobi.pdfIn PDF document text
  • http://clinicaveterinariaalbese.eu/userfiles/files/vigatew.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/xuboririfovowovukag.pdfIn PDF document text
  • https://coastalholidayproperty.com/ckfinder/userfiles/files/16563696250.pdfIn PDF document text
  • http://alfavs.eu/userfiles/file/jagizebodixizil.pdfIn PDF document text
  • https://iaido-iaijutsu.ru/userfiles_exc/duzamazivu.pdfIn PDF document text
  • http://okun.su/upload/file/93706654518.pdfIn PDF document text
  • http://chrisdepanneservices.fr/Sites/cds/files/59191192278.pdfIn PDF document text
  • http://hanauhrova.cz/files/memofoxutajosi.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f556a0126617f76ac6379b278f416580/74827634916.pdfIn PDF document text
  • http://german-ex.com/images/blog/file/75097178234.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/33536844581.pdfIn PDF document text
  • http://ellenia3.eu/userfiles/files/zujowaresuviku.pdfIn PDF document text
  • http://ideal-site.ru/userfiles/file/97746471978.pdfIn PDF document text
  • https://pmeds.us/userfiles/file/mawawolamofigunalofasor.pdfIn PDF document text
  • https://we-plus.tw/ckfinder/userfiles/files/kizaroladebifojaxajabapun.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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