MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous URLs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm designed for SEO manipulation, likely to obscure malicious downloads. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to deliver a second-stage payload via the linked URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://resulgame.com/calisma2/files/uploads/notesalitojedovu.pdf In PDF document text
- http://najlepsietorty.sk/uploads/fck/file/12045809709.pdfIn PDF document text
- http://enjoybowlramenandpoke.com/uploads/files/58587348923.pdfIn PDF document text
- http://www.ekoforte.com/upload/file/54924663659.pdfIn PDF document text
- http://szm.hu/userfiles/file/puxel.pdfIn PDF document text
- http://albarossa.jp/js/upload/files/29252061420.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613308af81acf---mubukuxuguzekizufutapagek.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/kofuvemumesolanebabafupu.pdfIn PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/68141267169.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/7dfdc248ed3d9e2201b03244cdf4a737/kajonorexuwinu.pdfIn PDF document text
- https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/32986475143.pdfIn PDF document text
- https://hahapediatric.com/uploads/files/202109080533078986.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/nibogijekifex.pdfIn PDF document text
- https://democv.associasuite.com/imagenes/contenidos/files/73871209395.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16142b57c78f31---tafiwubarabalufo.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/siduwizalo.pdfIn PDF document text
- http://vyveva.eu/UserFiles/File/sowawavimuxerij.pdfIn PDF document text
- http://nationalcoopadvisors.com/userfiles/files/96527107267.pdfIn PDF document text
- https://weeb.nu/userfiles/file/xebokugituranitinozojik.pdfIn PDF document text
- http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/98607179979.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/nenosotigukelovujomemuj.pdfIn PDF document text
- http://cuacuonductudong.com/upload/files/popitokopexutejimixebogol.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed8f61cf92---82401351882.pdfIn PDF document text
- https://discovercefalu.com/_data/images/file/69617611999.pdfIn PDF document text
- http://bernardthevenet.fr/ckfinder/userfiles/files/36782288840.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=video+lock+apk+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_off0000cbae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e3c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C5 | 10288 bytes |
SHA-256: bbd81a2ff002b0b735f36260775981fd042e65c20106c2f2ab3f2da8c494fe8a |
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font_02_sfnt_off0000fb09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB09 | 17860 bytes |
SHA-256: 0dc5f56d7bbf0f54315b4bf00c8e608a4271b7779d49d9861eda246cdb33b237 |
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