MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which point to compromised WordPress sites acting as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to phishing or malware download sites. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8202d2258---90571691142.pdf In PDF document text
- http://feynburg-uhren.de/uploads/30030964823.pdfIn PDF document text
- http://primebrokeragetx.com/ckfinder/userfiles/files/4437142490.pdfIn PDF document text
- https://enkaotomatikkapi.com/depo/sayfaresim/file/temididina.pdfIn PDF document text
- https://asmitahrgroup.com/ckfinder/userfiles/files/finofiwuviro.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15832852295.pdfIn PDF document text
- http://debten.net/UserFiles/File/goroja.pdfIn PDF document text
- http://sxhk365.com/uploads/file///63282904974.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/rokej.pdfIn PDF document text
- http://privateeducation.sg/verzsape/demo/upload/admin/files/diwulaletozidojazo.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/b2ba1c9264cf49256008f7f3b91d18de/ribogolorapijirasaxowal.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/55082105982.pdfIn PDF document text
- https://lawweb.info/mycms/admin/userfiles/file/88600785700.pdfIn PDF document text
- https://anglarill.net/userfiles/file/pedunovexawiges.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161426498ccfeb---dinorugiwuvapibidesipej.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376d0663491---9853402554.pdfIn PDF document text
- http://zubrcup.by/files/files/75649933156.pdfIn PDF document text
- https://livredart.com/ckfinder/userfiles/files/lewaruzev.pdfIn PDF document text
- http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/fefixugejalel.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/82984125613.pdfIn PDF document text
- https://comillaspostgrado.es/userfiles/file/bevozesola.pdfIn PDF document text
- http://huyndaicaudien.com/upload/files/roxuxowazubonenu.pdfIn PDF document text
- http://heryeryesil.com/resimlerfiles/8156194231.pdfIn PDF document text
- https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/29719731894.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=powerdirector+no+watermark+app+free+downloadPDF 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_off0000b2d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D4 | 10792 bytes |
SHA-256: b3bb720efd196d1b239f3355739c276c4c184160122d82bda7c8e792fc7412cb |
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font_01_sfnt_off0000cbb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBB7 | 14376 bytes |
SHA-256: b30e721f270d3d6bb246959ac4fdbb468e33960288de27cbf3a133769b54801b |
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font_02_sfnt_off0000ef93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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