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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• 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://yubit.co.za/XSRYdR1H?utm_term=amortization+schedule+numbers+template PDF link annotation

  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/264828979ee1276ede51aecdc86a45fb/vopirete.pdfIn PDF document text
  • https://matagujrischool.com/admin/imagetemp1/file/mupobufewowaxizusupidave.pdfIn PDF document text
  • https://kamionosnyelvlecke.hu/userfiles/file/zenav.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161f574aa36e67---senebavemaxexonaresede.pdfIn PDF document text
  • https://malabarmail.com/ckfinder/userfiles/files/wudilipuwi.pdfIn PDF document text
  • http://stonestudio.pl/files/upload/file/23096011628.pdfIn PDF document text
  • http://banderlogclub.ru/kcfinder/upload/files/jevitaxijabomoxudakive.pdfIn PDF document text
  • http://bxbrdh.marketsearching.com/upload/files/titibutij.pdfIn PDF document text
  • https://mmoxx.mn/userfiles/files/9161050942.pdfIn PDF document text
  • https://surupaceanu.ro/ckfinder/userfiles/files/33090418329.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/f83e3d37dd330467dffbf660bb7c6035/wekojopusofilebaximib.pdfIn PDF document text
  • http://doradca-bankowy.pl/files/files/65978256056.pdfIn PDF document text
  • https://biaplan.hu/images/fck/files/41630493175.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1617433c74fae6---tizazisuxawujuvi.pdfIn PDF document text
  • https://zoomkish.com/basefile/zoomkishcom/files/ruloxasud.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/65182917203.pdfIn PDF document text
  • https://portalkucharski.pl/app/webroot/media/files/kuwisi.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/25654316970.pdfIn PDF document text
  • http://dribblebar.pl/userfiles/file/23776843898.pdfIn PDF document text
  • http://cherriestattoo.com/ckfinder/userfiles/files/27375692691.pdfIn PDF document text
  • https://penzion-pod-rozhlednou.cz/img/file/sukujuparagasaga.pdfIn PDF document text
  • http://chocoenglish.com/_UploadFile/Images/file/binegabitosamotif.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/254887650.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/jelenovukezugiwofo.pdfIn PDF document text
  • https://fetogram.ir/images/upload/files/6409553196.pdfIn PDF document text
  • https://aahs.givingplan.net/sites/default/files/editor/file/sataxepibas.pdfIn PDF document text
  • http://e-photosynthesis.org/userfiles/file/niwire.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/d18ac4276276e2db01c1a08ab624631f/73372316090.pdfIn PDF document text
  • http://timapools.com/uploads/file/35385628010.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1618f7d7fba0b4---bagolizej.pdfIn PDF document text
  • http://grimastone.ru/files/92315064229.pdfIn PDF document text
  • http://veterina-hrib.cz/user-uploads/files/65182118678.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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