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://wirut.co.za/XSRYdR1H?utm_term=parse+server+android PDF link annotation

  • http://newworldss.com/uploads/file/zakilegonumodut.pdfIn PDF document text
  • http://mtegl.wsystem.sk/userfiles/files/45132873771.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116f312199ca---71040411882.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/77c6fb72ff4820b7f0101ba43b4c52fa/50814598473.pdfIn PDF document text
  • https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/72586655824.pdfIn PDF document text
  • http://lignumweb.com/site/webroot/uploads/files/busuxijedowir.pdfIn PDF document text
  • https://domilot.com/uploader/files/76600715189.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/ats1g3m65vom915ckv8753jq98/29611988700.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161bb9a5002418---jidawenijofilifixis.pdfIn PDF document text
  • http://sherwoodchambergolf.org/ckfinder/userfiles/files/sogikun.pdfIn PDF document text
  • https://mavachhaiphong.com/upload/files/lowiwerejuwolod.pdfIn PDF document text
  • http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/lediz.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114bf91f0cb4---54767797678.pdfIn PDF document text
  • http://alakharia.com/public_html/userfiles/file/48919762336.pdfIn PDF document text
  • http://daiichilogistics.com/uploads/news_file/dagekinirurixuxoduje.pdfIn PDF document text
  • http://hb-hospital.com/file_upload/fck_upfile/file/10460529652.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/pivegelezaxir.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/sufidur.pdfIn PDF document text
  • http://dj-venci.com/uploads/pages/files/xusezosomawabetoja.pdfIn PDF document text
  • http://enewind.com/pliki/file/12185477614.pdfIn PDF document text
  • http://holidayinntorino.com/userfiles/files/54239861072.pdfIn PDF document text
  • http://apricomm.com/userData/board/file/14431401873.pdfIn PDF document text
  • http://gldbirdgel.com/user_img/files/detetimogalofilunesokuv.pdfIn PDF document text
  • http://mnwebdesign.dk/userfiles/file/26952530313.pdfIn PDF document text
  • https://www.acv-verdun.fr/kcfinder/upload/files/kubamoralemujirikebula.pdfIn PDF document text
  • http://reklamavysocina.cz/UserFiles/File/mudulonukiwugexuxo.pdfIn PDF document text
  • http://juncheng.tw/upload/files/lekofewemumagirevifele.pdfIn PDF document text
  • https://vasekupony.sk/jsc/kcfinder/upload/files/lexamafi.pdfIn PDF document text
  • http://manchesternh298.org/kcfinder/upload/files/35201980784.pdfIn PDF document text
  • http://byty-pardubice.eu/UserFiles/File/lepejetopemidukama.pdfIn PDF document text
  • http://uktohabbarijamalta.com/files/file/72162553682.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610edab210a20---zavuguropijotusodupukod.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/dekugenomufasudipawaf.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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