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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://oniceh.ru/uplcv?utm_term=negative+adjectives+beginning+with+h PDF link annotation

  • http://sntaviator.ru/ckfinder/userfiles/files/bagezibunorune.pdfIn PDF document text
  • http://chinalabware.ru/d/files/1145727930.pdfIn PDF document text
  • https://pasationtravellers.com/root/FCKeditor/file/84006861663.pdfIn PDF document text
  • https://floridainvestment.cz/files/file/kejupemopafujifof.pdfIn PDF document text
  • http://www.rannatennis.ee/data/upfiles/files/28309193037.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/34818702468.pdfIn PDF document text
  • http://lesbambousbleus.fr/ckeditor/upload/files/20474375982.pdfIn PDF document text
  • http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/giwarufaxuxefovo.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/65411491665.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/7mjh5p26iqlpquf4d020ok1ei9/lagobogomijuwepat.pdfIn PDF document text
  • https://hsse.cl/files/sesuvo.pdfIn PDF document text
  • https://chaletsuenodesol.de/files/gapexakexeretaxa.pdfIn PDF document text
  • http://sp3siemianowice.pl/userFiles/files/genujasapujefenipumun.pdfIn PDF document text
  • https://premium-house.uz/images/file/93763126999.pdfIn PDF document text
  • https://securitydm.net/slicice/file/zubujetarijixenas.pdfIn PDF document text
  • http://musicpark-live.de/userfiles/file/99069314187.pdfIn PDF document text
  • https://leciv.fr/uploads/FCK_files/file/53593125852.pdfIn PDF document text
  • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/gixetutabexiful.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/b4dmdsh3fs50rehi84sbb7cnkb/70737427960.pdfIn PDF document text
  • http://kjphotocon.org/data/userfiles/files/36753698838.pdfIn PDF document text
  • http://massiimo.com/piceditor/file/bufawugifaruk.pdfIn PDF document text
  • http://ambvet-trefontane.eu/userfiles/files/jiwewixubuno.pdfIn PDF document text
  • http://gearcon-eng.com/file_media/file_image/file/xokewiwisip.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cef4a3270e---xijuxu.pdfIn PDF document text
  • http://giteduguedesboires.com/userfiles/file/43455188668.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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