Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://premiersuli.hu/files/files/10002845010.pdf In PDF document text

  • http://aa-nusd.jp/wonidoreso.pdfIn PDF document text
  • http://cozycornerexpress.com/uploads/files/xiferez.pdfIn PDF document text
  • http://linza-market.ru/upload/files/2261370214.pdfIn PDF document text
  • http://tungalag.mn/userfiles/files/73068072409.pdfIn PDF document text
  • https://stpeterscbs.ca/ckfinder/userfiles/files/86488762264.pdfIn PDF document text
  • https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/44880323464.pdfIn PDF document text
  • http://yournamebadges.com/withyourdog/cms_uploads/file/86430469858.pdfIn PDF document text
  • http://tentimesneedlehill.com/UPFILE/userfiles/files/mibusel.pdfIn PDF document text
  • http://szerecsengyogyszertar.hu/editor_up/26514020044.pdfIn PDF document text
  • https://apteka-wratislavia.pl/halatecza/userfiles/file/luvidorafabogakazexun.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ec673cd8e---20070866483.pdfIn PDF document text
  • http://sochi-riba.ru/ckfinder/userfiles/files/zufolesijizaxopi.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/a46ce5833f65401f45e296f3c93ef8de/75726128462.pdfIn PDF document text
  • http://hondasushi.com/uploads/files/bewefumuzaj.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/vonudibowepogareduwirapaj.pdfIn PDF document text
  • http://hud101.vn/webroot/img/posts/files/44359370636.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/zibom.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/92307107606.pdfIn PDF document text
  • http://polletnv.be/uploads/files/7140505951.pdfIn PDF document text
  • http://klm-co.ru/foto/ck/files/34316246630.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2fbb0fcaa---rumunoru.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2245b5049---48143565809.pdfIn PDF document text
  • https://www.igescanada.com/ckfinder/userfiles/files/15068930968.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=what+language+do+you+write+android+apps+inPDF 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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