MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or facilitate phishing. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://aiswaryamatrimonials.com/fck_uploads/file/54864202833.pdf In PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c6f4760d8---15912082217.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dcd3b13d03---bisatesudenobiwafera.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/3b1ba8749c614fd52a6dd0192c6cfa78/5539446239.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608f66a444d35---85104570646.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/58250489073.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/xisumu.pdfIn PDF document text
- http://delve-cr.com/uploads/3506024690.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/e34965724848d0e9b9bfd424c580c077/xobalanedenedubidesexa.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/60eaipocufk2mteuplg2v1nid4/62489884032.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070f8056759a---12649214937.pdfIn PDF document text
- http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/gubuvanibaxekejiwi.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/texifexujof.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/a12mejiiiso7k69nl01ctpne3s/wevoluda.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/bameweb.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/180be6863e2ad4e69ce385841138cbd5/mamuxonabirajosibit.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/3ms46mmjt45veshl7rra5dk55o/89322412037.pdfIn PDF document text
- http://kcde.kr/userfiles/file/19731974276.pdfIn PDF document text
- https://www.marjojaspers.nl/ckfinder/userfiles/files/nefawowako.pdfIn PDF document text
- https://locktactyuma.com/ckfinder/userfiles/files/nunevekewevujine.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/sazogupuruwixukuki.pdfIn PDF document text
- https://keluargamimpi.com/contents//files/faxigogadasafun.pdfIn PDF document text
- https://ilcaminodaugo.it/file/62708151752.pdfIn PDF document text
- http://fratellibeninca.com/images/file/90894932555.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608329d088804---68833128455.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=plantillas+para+flores+de+papel+gigantes+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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000edb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB0 | 16312 bytes |
SHA-256: 7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae |
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font_01_sfnt_off000103bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BC | 10676 bytes |
SHA-256: 6522a6eb2ca7fcdc70feae6ea8e3cbf8a92218fdae73223798cb9b42501799e1 |
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font_02_sfnt_off00011c1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C1A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0001342c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1342C | 18444 bytes |
SHA-256: eab1c4caba5e5c776f3a4f98b2bb19448c86b1c5e7df4c02ce89a0235c2b4c24 |
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