MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a large number of links to disposable hosting, suggesting a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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://irlanc.ru/uplcv?utm_term=scooby+doo+comics+pdf PDF link annotation
- https://lnpro.in/ckfinder/userfiles/files/megimopiz.pdfIn PDF document text
- http://investgeorgia.ge/userfiles/file/42983197443.pdfIn PDF document text
- https://pasifikendustriyel.com/userfiles/file/liwepivamigaz.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/japatuburewigejebepedas.pdfIn PDF document text
- http://cabini.it/userfiles/files/47267325858.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/fasulefewab.pdfIn PDF document text
- https://snf.styleguides.ch/userfiles/files/86600426107.pdfIn PDF document text
- http://fjzy18.com/image/uload/files/27565326566.pdfIn PDF document text
- http://gmicropilotes.com/uploads/files/50554291490.pdfIn PDF document text
- http://aviapartner.biz/js/ckfinder/userfiles/files/zubavatofusesafezuwariw.pdfIn PDF document text
- https://tedesco.pl/userfiles/file/71026938276.pdfIn PDF document text
- http://akiisushi.com/uploads/files/63427604565.pdfIn PDF document text
- http://kramnyca.info/img/upload/editor/file/54601143590.pdfIn PDF document text
- http://irinabailey.com/upload/files/29389917293.pdfIn PDF document text
- http://changwontour.kr/FileData/ckfinder/files/20210906_FAD3ED49887995C4.pdfIn PDF document text
- http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210906111634.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/q9fpcmgip8alk6c2pssj7plssc/bonugenawadimekemonutipax.pdfIn PDF document text
- http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/kubofulefogetarunejovi.pdfIn PDF document text
- http://zoscm.zohukum.com/ckfinder/userfiles/files/63288013274.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109090658227837.pdfIn PDF document text
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/digip.pdfIn PDF document text
- https://www.assofmt.org/ckfinder/userfiles/files/towusos.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/gadarajilikujuzadatasov.pdfIn PDF document text
- https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/sodazadudekelegapamudi.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210909_4B1D5EE978FEF1C7.pdfIn PDF document text
- 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_off0000ddf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF602 | 18152 bytes |
SHA-256: f30b54121fedd23320d1f42154d6160630259d47e1c692399348129c6419416c |
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font_02_sfnt_off000124e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124E2 | 10468 bytes |
SHA-256: 25b5dffe6c40c0a478ed5ea47b9eafc1f11487f6f105e25dbffdeb2de30b9474 |
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