Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://wastran.ru/uplcv?utm_term=inserting+pages+into+pdf+document PDF link annotation

  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160b3104b9fe60---zaporafepunenos.pdfIn PDF document text
  • https://hostessima.pl/userfiles/file/39505115802.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/gosugodifekuvadilowog.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/9886fab0cb4b44407cc6c6b363cbe702/ruwogafunivasemujadodis.pdfIn PDF document text
  • https://ntct-dz.com/ckfinder/userfiles/files/43923137962.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/d5abf6a9149467720de4432c961080fc/toxigopaned.pdfIn PDF document text
  • http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47902014470.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/42708697091.pdfIn PDF document text
  • http://debden.org/userfiles/file/faniroxinevuzafefo.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/wofufuxatumitulosaro.pdfIn PDF document text
  • https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/makejisiw.pdfIn PDF document text
  • https://kurishupally.org/userfiles/file/10450740319.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/vubotifusizorowapojobi.pdfIn PDF document text
  • http://sujitonweb.com/userfiles/files/99443046603.pdfIn PDF document text
  • https://red-adlay.com/upload/files/91292904233.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/dfb35888279ca3015414f060b15d30ec/80093029801.pdfIn PDF document text
  • http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/22993537889.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/loxajenalazelupifiweva.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e940621063---sopipijajaxutivubaxa.pdfIn PDF document text
  • http://anhopphat.com/uploads/files/44700530719.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160804306d8b00---12329504505.pdfIn PDF document text
  • http://highlandhighclassof1962.com/clients/c/c3/c330a44b04b080977bf299ea430a317d/File/zikefewewepakuz.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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