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 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.
• 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://smidgel.ru/uplcv?utm_term=trinus+vr+mod+apk PDF link annotation

  • http://355353.ru/userfiles/file/32583442347.pdfIn PDF document text
  • http://perevodvnegiloifond.ru/pict/file/tugugomegumeramodur.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/b70ba02e34b4d793162721a2756e5e96/lorexav.pdfIn PDF document text
  • https://beta.nhatthiengroup.com/files/uploaded/files/29264292848.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/1103835734.pdfIn PDF document text
  • http://bjxbw.cn/userfiles/file/12116703114.pdfIn PDF document text
  • https://12shio1.com/contents/files/97510058409.pdfIn PDF document text
  • http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/48314090895.pdfIn PDF document text
  • http://rootbeadmill.com/upload_fck/file/2021-9-14/20210914014811520131.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/57987483168.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/2pk330qma7i2smb48g10ju2i15/71799730292.pdfIn PDF document text
  • https://idd.no/ckfinder/userfiles/files/wilirotidebegobumizuret.pdfIn PDF document text
  • http://optykglowacki.pl/obrazki/files/22984192263.pdfIn PDF document text
  • https://dentalrud.com/userfiles/file/6574481761.pdfIn PDF document text
  • https://fancybox.pamlskovnik.cz/ckfinder/userfiles/files/28397030105.pdfIn PDF document text
  • http://v-lukomorie.com/uploader/files/13266895889.pdfIn PDF document text
  • http://tmkb.org.tr/ckfinder/userfiles/files/niluxubuxujilaj.pdfIn PDF document text
  • https://shevian.com/images/file/memogukotomaxomanujale.pdfIn PDF document text
  • http://studiolorenzoni.eu/userfiles/files/66323876830.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613149ce55397---31433946303.pdfIn PDF document text
  • http://cartopack.be/Images/file/62011483592.pdfIn PDF document text
  • http://citra.cl/userfiles/file/44097092860.pdfIn PDF document text
  • http://wxeina.com/userfiles/files/robujagidedunuxasaximuji.pdfIn PDF document text
  • http://thegioimercedes.com/upload/files/4003933124.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/53326580047.pdfIn PDF document text
  • http://jlssj.com/qianzi/upfile/case_editor/file/mudoferobimimo.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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