MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a high number of external URIs. The PDF acts as a link farm, directing users to numerous external domains, which is a common tactic for phishing or distributing further malicious content. The embedded JavaScript stream is likely responsible for initiating these redirects or further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://huntic.ru/uplcv?utm_term=the+biggest+impact+ielts+reading+answers PDF link annotation
- http://biplano.eu/userfiles/files/fepigikemevinakotij.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__61464E42C5856.pdfIn PDF document text
- https://jecoexports.com/ckfinder/userfiles/files/ligeb.pdfIn PDF document text
- http://aec.dbodm.com/js/upload/ckfinder/files/18592465290.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/54666420087.pdfIn PDF document text
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/55980170240.pdfIn PDF document text
- http://lignumweb.com/site/webroot/uploads/files/57029253158.pdfIn PDF document text
- http://thongthien.vn/upload/files/55134539817.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/xovafanunizobudobu.pdfIn PDF document text
- https://rijst.nu/userfiles/file/malebesaperu.pdfIn PDF document text
- http://thebrownbag.vn/upload/files/kiromazeworafila.pdfIn PDF document text
- http://e-restauracion.com/app/webroot/files/uploads/files/loriruwasaxodunis.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/dutefepapepesenaze.pdfIn PDF document text
- https://ssekolkata.com/ckfinder/userfiles/files/32293326045.pdfIn PDF document text
- http://yomamasushitogo.com/uploads/files/41100840550.pdfIn PDF document text
- http://vietdubai.com/userfiles/file/wagukasovabelev.pdfIn PDF document text
- http://www.urbanwaterways.info/files/73393600108.pdfIn PDF document text
- https://infrapanel-alegjobbfutes.hu/userfiles/file/69502361313.pdfIn PDF document text
- http://airzo.net/userData/board/file/54775969805.pdfIn PDF document text
- https://millinerandassoc.com/files/file/garita.pdfIn PDF document text
- http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rikeruramuwizijexi.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da3bbc1459---72693149241.pdfIn PDF document text
- http://akatumusics-ang.communication-pro.fr/public/1283/contenu/file/53669407628.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/21444094613.pdfIn PDF document text
- http://namthangbasaltstone.com/uploads/image/files/85872371732.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16153e60734c9d---dojerida.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_off0000dcc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCC6 | 11028 bytes |
SHA-256: a89fe186b27b3ea64901c802bdfa8f70656316a18941020f189cd0eeb6ccae2a |
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font_01_sfnt_off0000f5e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010df2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DF2 | 17852 bytes |
SHA-256: 3898308e7f8aeba9d34690c67be5d9e4e472bc0de219a39808d6b5911a919e73 |
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