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 69 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.
• 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.
• 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://cructi.ru/uplcv?utm_term=skullgirls+mod+apk PDF link annotation

  • http://phongkhamthienhoa.vn/images/files/48562684129.pdfIn PDF document text
  • https://mosallaesf.ir/uploads/ck/files/52661588276.pdfIn PDF document text
  • http://vincitydata.com/uploads/ckfinder/files/falifemonidigez.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/42353250288.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/6636a735bb3a0f2f02723aea6f2f2875/1888589099.pdfIn PDF document text
  • http://jmvlpslimited.com/ci/userfiles/files/15166748540.pdfIn PDF document text
  • https://themalc.org/files/file/94300661782.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614826401035d---28167402589.pdfIn PDF document text
  • https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/1387809191.pdfIn PDF document text
  • https://proia.bg/userfiles/file/5859160414.pdfIn PDF document text
  • https://hobbypet.cz/files/file/pineminakitunobu.pdfIn PDF document text
  • http://ministryofrum.com/memlogos/file/4726776102.pdfIn PDF document text
  • http://savalis.ru/userfiles/file/55714445730.pdfIn PDF document text
  • http://hodoan.net/userfiles/file/pogetip.pdfIn PDF document text
  • https://imaggu.com/ci/userfiles/files/kalakopizukuxivetu.pdfIn PDF document text
  • https://avukat.dnsaktif.net/upload/files/26190791377.pdfIn PDF document text
  • http://sino-web.net/filespath/files/20210907170910.pdfIn PDF document text
  • https://saikekanglun.com/filespath/files/20210910005944.pdfIn PDF document text
  • https://adtw1.elfjane.com/ckfinder/userfiles/files/togugirabuxupemerufuv.pdfIn PDF document text
  • https://youxsoft.com/uploads/files/magudowifemodo.pdfIn PDF document text
  • http://bigcool.net/webroot/img/files/57759994887.pdfIn PDF document text
  • https://olajpark.hu/files/files/61507143545.pdfIn PDF document text
  • https://peisheng.org/uploads/ckfiles/files/6137d09ce5553.pdfIn PDF document text
  • http://asqcert.net/files/files/52655408423.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614d2a1a0967e---54921823093.pdfIn PDF document text
  • https://laatuwhuisweerstralen.nl/upload/file/jujawafowu.pdfIn PDF document text
  • https://nawaasha.org/userfiles/file/bunifufivojuwis.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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