MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating an attempt to redirect users to malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to act as a link farm, likely for phishing or malware distribution. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://infrive.ru/uplcv?utm_term=bulk+rank+checker+tool PDF link annotation
- http://marjoleintje.nl/include/userfiles/2065610604.pdfIn PDF document text
- http://ebbers-schilderwerken.nl/uploads/files/zitavedaxitafovofikuxeno.pdfIn PDF document text
- http://yousefmaktabi.com/ckfinder/userfiles/files/90354924062.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/sinukifa.pdfIn PDF document text
- http://poslovniimenik.net/firme_data/files/32651915447.pdfIn PDF document text
- http://sozopolihills.com/userfiles/file/paridaw.pdfIn PDF document text
- https://mimpishio1.com/contents/files/56262229870.pdfIn PDF document text
- https://buonoantonio.it/userfiles/file/66334271517.pdfIn PDF document text
- https://www.l-games.jp/js/ckfinder/userfiles/files/miluzomirizededi.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/lofavepepunozupotodajafe.pdfIn PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/37915290491.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/52650621188.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/sopitipodepagaj.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/63795434750.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/sotiwopoj.pdfIn PDF document text
- http://k-souz.com/userfiles/file/30787660630.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/14868505296.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/badixiduguropiwalikej.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140632bc5497---82470439297.pdfIn PDF document text
- http://jtylek.pl/Upload/file/44918297922.pdfIn PDF document text
- http://freetds.net/userfiles/file/36951078848.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/menamuxivasizupumavedibas.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1614442fceb01d---rekivalotatazeninafubu.pdfIn PDF document text
- http://z-sinpro.com/upload/files/97520383559.pdfIn PDF document text
- http://jinyezi.cn/upload/rolaxuva.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_off0000d81c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD81C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f02e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02E | 16816 bytes |
SHA-256: 0527c079ce90854acdc185046daf1c81c6387e666bb0e31d5d60cb5a46242ed8 |
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font_02_sfnt_off00011c08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C08 | 10312 bytes |
SHA-256: 923be3ed95cdfdb3a3e34bdbe161ee9a49c80d8e20599a25cf8e82556fdca86f |
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