Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://krisoc.ru/uplcv?utm_term=stampede+run+android PDF link annotation

  • http://www.forteks.com.br/admin/ckeditor/ckfinder/userfiles/Images/43690236083.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/083c5456492c546e04de8b4953aa88ea/68141636005.pdfIn PDF document text
  • http://prestinoequitacion.com/imagenes/upload/files/gagapizetotofe.pdfIn PDF document text
  • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26861476465.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614198d952394---girepelusosuka.pdfIn PDF document text
  • https://indirimlipin.com/calisma2/files/uploads/mapubu.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/259be89211219edbf6606bd8760dbaeb/82513223470.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/tuvole.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210911_4BE9D39ABAA33AE7.pdfIn PDF document text
  • http://inteko-tula.ru/f/file/78492156659.pdfIn PDF document text
  • https://knurussian.kr/DATA/upload/files/202109030529228346.pdfIn PDF document text
  • http://twozonechickenlasvegas.com/uploads/files/13769590606.pdfIn PDF document text
  • https://ismet.com.br/ckfinder/userfiles/files/xewumunepobewibenuta.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/93f47e1bc5f0bc9f75d98c2f1fbb2b6a/91180642775.pdfIn PDF document text
  • http://xn--b1adrijbbb.xn--p1ai/upload_picture/guvupesuzezokedutevoxived.pdfIn PDF document text
  • https://kapefashion.com/files/files/16498039339.pdfIn PDF document text
  • https://hurghadalife.net/userfiles/files/229474299.pdfIn PDF document text
  • http://mrhobbscoffee.com/images/uploads/file/89275465653.pdfIn PDF document text
  • http://progettogeometra.it/userfiles/files/wafobabopas.pdfIn PDF document text
  • http://lngpetro.com/userfiles/file/71095516533.pdfIn PDF document text
  • http://newabel.com/ckfinder/userfiles/files/93022903327.pdfIn PDF document text
  • http://4x4autok.hu/userfiles/files/xiwasajolurusunutap.pdfIn PDF document text
  • http://kovovyroba-nosniky.cz/UserFiles/File/38450897940.pdfIn PDF document text
  • http://www.pzkexie.com/up_files/file/33116363396.pdfIn PDF document text
  • http://newworldss.com/uploads/file/bixitavoparusadosumosol.pdfIn PDF document text
  • http://law885995.com/upload/fckimages/file/vujekiwatulukemirizawusaj.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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