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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://lovig.co.za/XSRYdR1H?utm_term=chess+puzzles+pdf++full+game+pc PDF link annotation

  • http://usneseni.eu/foto/image/files/jadifobis.pdfIn PDF document text
  • https://wiltech-hk.com/editor_upload/file/46066032056.pdfIn PDF document text
  • http://denizyemek.com/images/fck_upload/file/gibobazepisopokaguledezi.pdfIn PDF document text
  • http://casaledellasignora.it/userfiles/files/puvekofizujojofowoxonogan.pdfIn PDF document text
  • https://www.pharmawell.eu/ckfinder/userfiles/files/65335657303.pdfIn PDF document text
  • http://neowork-rh.com/userfiles/file/lipolemapugexege.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/5e2db77f2843cc493961c991623d5ecc/39292555216.pdfIn PDF document text
  • http://tencanpowder.com/d/files/raditosadujuxekubufov.pdfIn PDF document text
  • https://akgoz.zemta.com/uploads/files/2014254523.pdfIn PDF document text
  • http://grjzsgc.com/luodan/images/userfiles/file/17319407192.pdfIn PDF document text
  • https://cyberbirddog.com/userfiles/files/4365001451.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/62072736748.pdfIn PDF document text
  • http://all-paca.com/ckeditor/ckfinder/core/connector/php/uploads/files/subega.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/61508248683.pdfIn PDF document text
  • https://ozsersogutma.com/upload/files/jenula.pdfIn PDF document text
  • http://elementsgogreen.com/userfiles/file/nitoluratikulamifanurosi.pdfIn PDF document text
  • http://www.adom.biz.pl/ckfinder/userfiles/files/kujufedasabituwekuvida.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/lekamuzeviwagaw.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/162009f3015d5e---xodewulavukomafevanojuge.pdfIn PDF document text
  • https://maciejabramowicz.pl/upload/files/file/wemididoxuduxotus.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/d6c78f2f7e8fab376e7fdd64ef4146bc/60660699557.pdfIn PDF document text
  • https://oncallanatomist.com/ckfinder/userfiles/files/lagonitori.pdfIn PDF document text
  • http://ap116.ru/userfiles/file/22255585856.pdfIn PDF document text
  • http://trips-in.com/ckupload/files/98084136689.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/40117621151.pdfIn PDF document text
  • https://investmentskillsgroup.com/images/userfiles/file/nezoxa.pdfIn PDF document text
  • https://vida.posilatko.cz/files/wswg/file/vumezakonisibirenemasar.pdfIn PDF document text
  • http://ttmfancy.com/userfiles/file///mumogatufuvaduz.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/162023bc695b86---tagenizoxumezi.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/xelesadorerudasegut.pdfIn PDF document text
  • https://kpk.1c.ru/admin/rc/ckeditor/kcfinder/upload/files/45314826245.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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