MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to disposable hosting and are used in a link farm pattern. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or to serve a second-stage payload. The embedded JavaScript (T1059.007) is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://inwebjor.ru/uplcv?utm_term=android+games+2019 PDF link annotation
- http://escritacontabilidade.net/fotos/news/file/1400004461.pdfIn PDF document text
- https://yantrasearch.com/ckfinder/userfiles/files/34995951013.pdfIn PDF document text
- https://chaletsuenodesol.de/files/47888608801.pdfIn PDF document text
- https://thaiwoodengames.com/files/upload/files/xopalap.pdfIn PDF document text
- http://thietbiantoanttk.com/uploads/files/96103661154.pdfIn PDF document text
- http://abwhopewell.com/uploads/files/30724120841.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/74570523011.pdfIn PDF document text
- http://gamebonda.com/ckupload/files/wamutef.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16144b856aed0e---tixiwixadif.pdfIn PDF document text
- http://expresskaliski.info/file/90638860082.pdfIn PDF document text
- https://www.hosotte.com/ckfinder/userfiles/files/70837773386.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/45888371189.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148bcf815092---fetorusexafifekomorok.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/dirimod.pdfIn PDF document text
- http://irina-beha.com/ckfinder/userfiles/files/65969023413.pdfIn PDF document text
- http://mentor-tutor.com/newGroserLikeProject/uploads/files/lakikegule.pdfIn PDF document text
- http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/1653137577.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/8600562795.pdfIn PDF document text
- http://murzilka.biz/images/uploads/file/veweselipipi.pdfIn PDF document text
- http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/riruwojuboxegawijada.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/4378297828.pdfIn PDF document text
- http://linhkienhunganh.vn/luutru/files/25687726865.pdfIn PDF document text
- http://bippex.com/filespath/files/20210923095519.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/suxapatadajeved.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/wogagun.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_off0000e9d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D2 | 17632 bytes |
SHA-256: 0f57bce99fe1809c65e9dbbd099f4086bf858c1bc7ba6b68c118a9deb25c2a5c |
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font_01_sfnt_off00011767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11767 | 10888 bytes |
SHA-256: 185e959c64434624de4288b84f873e99e4ab551285ca0c50a312ddbaad58df49 |
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font_02_sfnt_off00013074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13074 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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