MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded JavaScript (T1059.007) strongly implies an attempt to execute code or exploit vulnerabilities within the PDF reader.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://slhospital.com/upload/fckeditor/file/16767872642.pdf In PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/3d946e6a4f942834228035c92456726b/99494183615.pdfIn PDF document text
- http://carnow.jp/js/upload/files/66738548486.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a845f4dea1---44244428299.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798377efe14---57881525698.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/7e231405d3a0356a5a3913578429350a/31865560128.pdfIn PDF document text
- http://formel1vermietung.de/userfiles/file/tebudotididelude.pdfIn PDF document text
- http://densayhongngoai.com/uploads/userfiles/file/repimutodaxogilajiwi.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/6rs1fq4homa0pqcr72a3l59101/78406200259.pdfIn PDF document text
- http://lg-palette.com/upload/files/11845343309.pdfIn PDF document text
- http://terezmisszio.eu/files/file/sejejuv.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/q1k6bb4gl9tr4usfm8knav1fjr/noxivirexupogoz.pdfIn PDF document text
- http://usateatop.com/_upload/files/21111160402.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/62il9c413m4lrbrj40ji7cr2b1/82695042081.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/gonuxogiwepero.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/3044049c26966999924dd9f73357f9b4/43061540954.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160fe36f7eecb6---saleregaguvomofipegu.pdfIn PDF document text
- http://kgmda.com/upload/files/zakemaduneve.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/14706586075.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/99928179337.pdfIn PDF document text
- http://fotobambagiotti.it/userfiles/files/ditexexugagofel.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/imh7rgjff11u9vqbqtid5s12mc/9253690797.pdfIn PDF document text
- https://akamercedes.com/images/uploads/files/jolawexuxuwadanakoko.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b87a521c3fe---kafurevixiwur.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=lyrics+to+there+is+sunshine+in+my+soul+todayPDF 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_off0000cd2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e546.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE546 | 10808 bytes |
SHA-256: 063c3e9f73ad4ec55e8a27d3c6bbde25cad900fc9a602e860a53ae05670aeb3f |
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font_02_sfnt_off0000fe04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE04 | 18284 bytes |
SHA-256: e60b05d1fe958fedfed438570eee864bc0e82d635c05c745ca8b8b34bf6fa7a3 |
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