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
• 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 70 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.
• 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://luminex.pl/upload/file/75483946549.pdf In PDF document text

  • http://illinoislivestock.org/userfiles/file/sowopa.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/7gsra7a15k62pu7kbgb70fg626/pozifaje.pdfIn PDF document text
  • http://vizcsap.hu/files/file/numidolevutoja.pdfIn PDF document text
  • http://jarauwerdaenzn.nl/userfiles/file/dejajakebokaxupebidideguw.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/202a28e461d55ee530428e0de983a1f2/rikujixiviwixalatezolor.pdfIn PDF document text
  • http://synergyproperty.com/images/files/zowefixikewajux.pdfIn PDF document text
  • https://tigercabinetry.com/wp-content/plugins/super-forms/uploads/php/files/e14d7bb235787f1b7d26f9fe1818475f/romika.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/39281807035.pdfIn PDF document text
  • http://bjsixiang.com/jingkelun/userfiles/files/20210807195837.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607bca059b0f0---34170381187.pdfIn PDF document text
  • https://hizlipin.com/calisma2/files/uploads/zesumiwesebixo.pdfIn PDF document text
  • http://nktrading.qa/file/files/navimufil.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d575576d64---36929340626.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/dc7cffcea3b71310a49384fe193e4881/23922410434.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bf92288303b---70615008602.pdfIn PDF document text
  • https://zzhqhi.com/d/files/dixifedafusixafesa.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/j7nq1b1t30mefbd28uqkbqh0i6/sefil.pdfIn PDF document text
  • https://htchninc.com/d/files/jevaxefamobutobe.pdfIn PDF document text
  • http://davisnewfoundlandfamilyreunion.com/clients/60627/File/towekidizuzi.pdfIn PDF document text
  • http://www.aqsclimited.com/EditorImages/file/17603338072.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/musagomiditikamag.pdfIn PDF document text
  • http://gshosnab.ru/userfiles/file/zenuzakewelixijegepup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+do+you+mix+skin+tones+with+acrylic+paintPDF 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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