Malicious PDF / .VIR — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://synerhu.ru/uplcv?utm_term=how+do+you+get+free+robux+2021 PDF link annotation

  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c686805d46---xamepisovufiwesumibolofo.pdfIn PDF document text
  • http://autosvilar.com/uploads/ckfinder/files/xonosifabogomurazuwasako.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/feravujezub.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/46050782119.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/59651428821.pdfIn PDF document text
  • http://kommunikator.nu/demo/userfiles/file///sozuxopozinutan.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/bixorokadisevavenopaz.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/63579196461485445529af.pdfIn PDF document text
  • http://vegman-kzn.com/ckfinder/userfiles/files/51415446521.pdfIn PDF document text
  • http://canphantich.net/Images_upload/files/wakib.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135dfcd929fa---23920260816.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/shju49mh61ab12uv29m1fihn3q/59581912629.pdfIn PDF document text
  • http://mexxeopaint.com/upload/files/66820274074.pdfIn PDF document text
  • http://www.smartusb.info/images/library/File/dosup.pdfIn PDF document text
  • http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xuzumipavozupojoludusizob.pdfIn PDF document text
  • http://msmzizkov.cz/data/dokumenty/nelarigu.pdfIn PDF document text
  • http://makairways.in/home/makairways2017/public_html/dowalumniusa/ckfinder/userfiles/files/xelirodoxinupefawubivi.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/xuxizuxifodum.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/c0db31ba93e1d62fe01a16515b6754b8/nenilutinisolamalof.pdfIn PDF document text
  • https://hefcom-hydraulics.com/ckfinder/userfiles/files/vewagamavim.pdfIn PDF document text
  • http://tokyoracing.hu/userfiles/file/42205357903.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc2f6c8edf---pejetamipe.pdfIn PDF document text
  • https://albertoangel.sinecsas.com/ckfinder/userfiles/files/91149747996.pdfIn PDF document text
  • http://reguitti-engineering.it/userfiles/files/36317525580.pdfIn PDF document text
  • http://law885995.com/upload/fckimages/file/76965318054.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/tobovipiluwoxonajoda.pdfIn PDF document text
  • http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/xokug.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 extracted file (font_00_sfnt_off0000b6ed.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b6ed.bin)

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