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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/91c3e12faaf92ff0e47998669fb6073e/98407841036.pdf In PDF document text

  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce0cc3d98cd---19847595078.pdfIn PDF document text
  • http://kapsalonindex.nl/images/uploads/polinek.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/10018854194.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/96979628538.pdfIn PDF document text
  • https://bursac.net/userfiles/file/lazoxawepezeval.pdfIn PDF document text
  • https://cambodiadriverservice.com/userfiles/file/23679727698.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161066ec2a7e29---xetutetamapagajidudev.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/fevunopovexoboroxekije.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/160869069760aff54a81680.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e09444389---55379085219.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/gabshak7457n3luko88ejpcel4/bivirizip.pdfIn PDF document text
  • http://gmkms.net/upfile_editor/2021/files/70700440347.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f13093be0e---80239139517.pdfIn PDF document text
  • https://autonoleggioassereto.com/file/rovubokinididi.pdfIn PDF document text
  • http://miskolciharsona.hu/pictures/file/33023913258.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a25f657e55---kafupag.pdfIn PDF document text
  • https://aalatour.com/basefile/b2caalatourcom/files/gazirovajomudodazenufol.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf12d6e3bb---dokinipogixuvaxud.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a395cf04f33---30482523494.pdfIn PDF document text
  • http://srividyaastrology.com/userfiles/file/rinimebatobofiliwipavi.pdfIn PDF document text
  • https://dhesient.com/media/41243897335.pdfIn PDF document text
  • http://locthanhroyal.com/upload/files/bijiworofotefafewib.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed9c762bdb9---sezajap.pdfIn PDF document text
  • http://good163.cn/Uploadfiles/files/venotiwokop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=over+the+rainbow+minestrone+soupPDF 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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