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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://synerhu.ru/uplcv?utm_term=phenol+chloroform+isoamyl+alcohol+in+dna+extraction PDF link annotation

  • http://studioboscono.it/userfiles/files/64137155227.pdfIn PDF document text
  • https://www.quartzlock.com/userfiles/files/12228631175.pdfIn PDF document text
  • http://jakpaisanestate.com/images/upload/files/sufuleguvitozunifebaxomu.pdfIn PDF document text
  • http://lustigersteirer.at/userfiles/file/68205740889.pdfIn PDF document text
  • http://ancheng-medical.com/uploadfile/files/jixizizaxajekiduve.pdfIn PDF document text
  • https://hujanuang.com/contents/files/75564219750.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/793f9j3cimvvjod391t89nqnmu/25708381337.pdfIn PDF document text
  • http://proallprint.com/userfiles/files/pivabawinivaz.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616f389905544---54912164222.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/34797443887.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161989c6f555aa---48939627927.pdfIn PDF document text
  • http://biometria.pl/photos_fck/file/mamibivufutukogufesoli.pdfIn PDF document text
  • https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/gumebafujibanovudoboxab.pdfIn PDF document text
  • https://liho.cz/UserFiles/File/menafufalinid.pdfIn PDF document text
  • http://unii-dz.org/app/webroot/js/kcfinder/upload/files/75720487687.pdfIn PDF document text
  • http://zeminyerkaplama.com/upload/ckfinder/files/jaretare.pdfIn PDF document text
  • https://aarushimukhwas.idealviews.com/userfiles/files/80541265705.pdfIn PDF document text
  • https://konkrea.be/uploads/files/mimasaxanadosanozadif.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ac3df17fc2f---78404898417.pdfIn PDF document text
  • https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/gixifobeliwakawalurugivo.pdfIn PDF document text
  • http://cmcthailand.com/ckfinder/userfiles/files/sinopivunurejofev.pdfIn PDF document text
  • http://riversedgefm.com/files/file/66666721970.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 extracted file (font_00_sfnt_off00032f37.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00032f37.bin)

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