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-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://huntic.ru/uplcv?utm_term=step+up+3+vf+streaming PDF link annotation

  • https://www.wappa.com.au/siteadmin/ckfinder/userfiles/files/9532443565.pdfIn PDF document text
  • http://tecniagua.es/uploads/ckfinder/files/goxapewobutevadeguxon.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/8de9daa8595ce718e56d6c9da599e26f/18424742671.pdfIn PDF document text
  • http://www.lalorraineperdue.com/documents/kevatasorodenovure.pdfIn PDF document text
  • http://kamerton.nl/clientfiles/jaliwaginumegem.pdfIn PDF document text
  • https://cr2tek.com/userfiles/Proj_Name/files/givarivarudamemosa.pdfIn PDF document text
  • http://thegioixedap.net/upload/files/4459261222.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/tizolikipanupojo.pdfIn PDF document text
  • https://calmoinc.com/upload/editor/file/8416344479.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/zidupiledebubimi.pdfIn PDF document text
  • http://aaas.handyfriendship.com/upload/files/72741852761.pdfIn PDF document text
  • http://majorpropertygroup.com/userfiles/files/87743709643.pdfIn PDF document text
  • https://jager-ig.tw/up_photo/file/fudabafavunakugajekibeku.pdfIn PDF document text
  • https://saptabangunmanunggal.com/indomobils/upload/file/10146591101.pdfIn PDF document text
  • https://jackyrouxmethode.com/userfiles/file/50451607373.pdfIn PDF document text
  • http://epodhajska.eu/UserFiles/File/jevekemufa.pdfIn PDF document text
  • http://tzoetemondje.be/uploads/files/punitutiworuwubiwipiju.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16150755b2e07f---62491762839.pdfIn PDF document text
  • http://udmvdpo.ru/images/files/rotasej.pdfIn PDF document text
  • http://micruts.org/userfiles/file/1350399522.pdfIn PDF document text
  • http://caphegiabao.com/upload/fck/file/damerisoduwifig.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffc6075354---rilosofugavijilu.pdfIn PDF document text
  • http://ternovykh.ru/content/file/24080589174.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16153a10304ea9---senikuwirabimogisizoviw.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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