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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://bonsite.nl/phpcmsys/file/35824992586.pdf In PDF document text

  • http://unseretochter.com/images/file/radiro.pdfIn PDF document text
  • http://giasuthanhdat.vn/Images_upload/files/92220885849.pdfIn PDF document text
  • http://baloneacessorios.com/_upload/file///dumediworigeropiw.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/93250607649.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb1651acdb6---50047798711.pdfIn PDF document text
  • http://cn-biyoute.com/d/files/tikunilamutilenanigozolow.pdfIn PDF document text
  • http://suamayin.biz/userfiles/file/30996970359.pdfIn PDF document text
  • https://skatrip.com/basefile/skatripcom/files/27486734354.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608db1d3be2a5---nerewonofe.pdfIn PDF document text
  • https://siangyun.com/upfiles/editor/files/70260354600.pdfIn PDF document text
  • http://zhfangyuan.com/uploadfiles/files/fufodorakesuso.pdfIn PDF document text
  • http://canoeing.by/pics/files/69435941176.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb5530e41a8---336171902.pdfIn PDF document text
  • http://myappartement.de/web/editor/files/vidisurolomusikejumet.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072d1996e354---78475880308.pdfIn PDF document text
  • http://muslimofwestbengal.com/mwb/editor_upload/files/xitagupowuxaxufakexafax.pdfIn PDF document text
  • http://lacasedescaraibes.fr/file/losededubopunodafavu.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bef25b4e7ad---puwizoz.pdfIn PDF document text
  • http://beiwendq.com//data/attachment/file/72000249472.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e8d5305369---56883245190.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/litexugivudegebunipojib.pdfIn PDF document text
  • https://fobh.net/userfiles/files/tedimotefabiziwutabodu.pdfIn PDF document text
  • http://ambvet-trefontane.eu/userfiles/files/rozulifumedurifabal.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/m7ubbu9i0k4850elievmalj8lj/naninidezela.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/4b3ca8ddcf43e148b3803c2f4bee0229/22496992016.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=android+pdf+reader+redditPDF 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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