MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This pattern suggests a link farm designed to obscure the ultimate destination, likely a phishing page or malware download. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16094a21c85e13---nilegumijixeje.pdf In PDF document text
- https://securityguardsupply.org/php/uploads/file/59051689815.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/71310149284.pdfIn PDF document text
- http://bobas24.pl/Upload/file/22076219936.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f98d9f73e---budozox.pdfIn PDF document text
- http://chayka-svg.ru/files/nerodemive.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/files/zilolaxowomujos.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc04408361---tukod.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725417a87d9---visamawaluzo.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a30ab34bc79---51619659403.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/0c536db924b0ab9a399c9b8b3f30be32/89968301876.pdfIn PDF document text
- http://dblbtech.com/userfiles/file/96620767180.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2d6a8252f---sinomumawamimepewilag.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/8h3p47276fnrip3mq1bdvn6v67/90720195763.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/8f76a00fee984262cc3eb715f75dfaa0/zapipisejitojidu.pdfIn PDF document text
- http://lalinpress.com/ckfinder/userfiles/files/31599650612.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/99ed6d61b40a4d4bc002cd2307311056/verekegigofojededuta.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078155bbeab8---22223296566.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/7971250f46defac1122059b55ee1beaa/58897102479.pdfIn PDF document text
- http://boathousebrokerage.com/userfiles/file/fidovemasakekutemo.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/texujajetemokemovil.pdfIn PDF document text
- https://prolocolidodisavio.org/ckfinder/userfiles/files/17625873583.pdfIn PDF document text
- https://boucherienabli.com/uploads/FCK_files/file/sibixofi.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfba3c5e823---nakikibijakikuf.pdfIn PDF document text
- http://laweasy.kr/userfiles/file/ramutefufewuv.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a33c7d5290---89284685444.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=set+in+lifePDF 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f9cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9CC | 17400 bytes |
SHA-256: c25f94869a9a6c57619a87a31ffaddef3cd8f4dc87dd8f2f61692f157815728f |
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font_01_sfnt_off0001273e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1273E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013f54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F54 | 9732 bytes |
SHA-256: fe0a6ecce97889c3c073a537f6ef7f650607dd7bc7972ad8acbfcbf7796f1960 |
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