MALICIOUS
134
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. The PDF also contains numerous external URIs, many of which point to disposable hosting, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
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://oniceh.ru/uplcv?utm_term=aplicaci%C3%B3n+para+ver+pel%C3%ADculas+gratis+android PDF link annotation
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/0e2d3eb02b60ac105b2ff8c315a4af08/33125781039.pdfIn PDF document text
- http://peak-experience-japan.fr/images/blog/file/23755918206.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161409063ac8bc---32279480203.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/vunezotozadaxumawepaxadoz.pdfIn PDF document text
- http://cpbnatation.fr/fckeditor/userfiles/file/fegudepekezubogi.pdfIn PDF document text
- http://conservativista.com/js/ckfinder/userfiles/files/85306215808.pdfIn PDF document text
- https://askisan.com/upload/ckfinder/files/83559401078.pdfIn PDF document text
- http://guides2alpes.org/uploads/file/18087083181.pdfIn PDF document text
- https://hw-power.com/uploads/ckfiles/files/6146b509c9e78.pdfIn PDF document text
- http://moje-stranky.eu/userfiles/file/madaguvegexa.pdfIn PDF document text
- https://tanhaithanhvalves.com/quangcao/admin/file/wafosorikekamerugusironuj.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/26013001212.pdfIn PDF document text
- http://be-now.pl/userfiles/file/99599886561.pdfIn PDF document text
- http://bigcool.net/webroot/img/files/69288954273.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/nasegitabosoxizi.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/2764059004.pdfIn PDF document text
- http://hbaoge.com/upload/files/jurofupadafowow.pdfIn PDF document text
- http://stilna-ya.com/_userfiles/file/52043997686.pdfIn PDF document text
- https://kitapkaplama.com/upload/ckfinder/files/861889251.pdfIn PDF document text
- https://keongracun.org/contents/files/gusew.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/8868146103.pdfIn PDF document text
- https://kingbakerypans.com/userfiles/file/20348807408.pdfIn PDF document text
- https://mimpi1pusat.com/contents/files/1638224675.pdfIn PDF document text
- https://pbchistoryonline.org/uploads/file/bijakumojuduxugixufiduk.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off0000ddf4.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xDDF4 | 17732 bytes |
SHA-256: 0e19d1821343d93fd1ff15a6e4715aece49b7d88fe51018c80733b074c0e7298 |
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font_01_sfnt_off0000f926.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF926 | 18204 bytes |
SHA-256: b687f4dfc68cf27174de3e63290359ccd99d35f40fb28cde14ea642524d8af1c |
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font_02_sfnt_off0001272b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1272B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00013f42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F42 | 11036 bytes |
SHA-256: e44bba03b1c3097e87866467e718cf3511734aad8edcfc77a81034ebcb97323f |
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