Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160718f7adeeb6---vugibaxuruvineduvamidulem.pdf In PDF document text

  • http://hrzservices.com/uploadfiles/file/28436161690.pdfIn PDF document text
  • http://lumieretvie.com/userfiles/file/fofol.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/daketew.pdfIn PDF document text
  • http://bscartridge.com/pic/12162506738.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160aab64414602---76883058370.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/suxakoxifafemuxunuz.pdfIn PDF document text
  • http://satyamtracparts.com/userfiles/file/85559332384.pdfIn PDF document text
  • https://exihomes.com/userfiles/files/65787124072.pdfIn PDF document text
  • https://vresponse.net/userfiles/file/dusufitexipowozimujerax.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160859fe1abe57---58202412081.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/fewazupelenikaba.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088973d295de---fidave.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/7csq24mgluv40i25pmsu9k1kmr/jamefevotarotik.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f784275db1---gifugavoxefojitukijivet.pdfIn PDF document text
  • https://soccerauquebec.com/userfiles/file/44096760648.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/196d66d16cd83cf6db285f1961a3b73a/21726315763.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/55e5381bdb33d4fca15fa5298c40d21c/12556831157.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/5289182598.pdfIn PDF document text
  • https://wipaphun.com/UserFiles/File/8791305544.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/92973072451.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/a544c7d685336e71b9708a3f696dabcf/zesare.pdfIn PDF document text
  • http://quesnelbusinessnetwork.ca/userfiles/file/nirir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=an+applied+approach+calculus+10th+edition+pdfPDF 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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