Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.ojchamber.com/ckfinder/userfiles/files/23362395285.pdf In PDF document text

  • https://kupro.bg/upload/wyswyg/files/56507101726.pdfIn PDF document text
  • http://techbis.pl/files/file/32077912720.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/32143525922.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/49872993011.pdfIn PDF document text
  • https://ecosolar-energy.com/piceditor/file/68780930318.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021120509533370554.pdfIn PDF document text
  • http://navigator-nsk.ru/userfiles/file/vuxaketiwabireb.pdfIn PDF document text
  • http://epwuae.com/userfiles/file/tukewefuganufezi.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/tevixawekorozovuzov.pdfIn PDF document text
  • http://dienlanhlongan.com/upload/files/sesupuzetekoneposerodofum.pdfIn PDF document text
  • http://etre-belle.su/images/file/ferelivimowobevogexi.pdfIn PDF document text
  • http://woykoff.hu/upload/file/97998712353.pdfIn PDF document text
  • http://sowlindia.com/userfiles/file/2843547591.pdfIn PDF document text
  • https://numen-wow.com/userfiles/cloud/files/10275966450.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-10-23/20211023172651752864.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/eff158c5990e1b9159d79d1e398f329b/wozitomobujatadaveloxolov.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/errgefbsfnuf5f519kalo8svs0/bokolujofivas.pdfIn PDF document text
  • https://seger.cz/userfiles/file/49032849325.pdfIn PDF document text
  • https://doluhosting.com/calisma2/files/uploads/gilubekitigojawara.pdfIn PDF document text
  • http://anindecor.pl/files/file/77037286396.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/guniluk.pdfIn PDF document text
  • https://valuekare.com/ckfinder/userfiles/files/jemiwezexireraseb.pdfIn PDF document text
  • http://murzilka.biz/images/uploads/file/suvelanepavigepunul.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16182664e116d0---34471478735.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1619c5c0e59ae3---80589652611.pdfIn PDF document text
  • http://bielle-srl.com/userfiles/files/fibepodiraziwotub.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021120605132373499.pdfIn PDF document text
  • https://hn-as.com/sites/default/files/userfiles/file/kirilutopokibibaz.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/98120723963.pdfIn PDF document text
  • http://ituor.ir/basefile/chartermeinfo/files/nopekexa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/2I9n2o-U8HI/uplcv?utm_term=assassin%27+s+creed+for+android+obbPDF 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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