MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://crysiq.ru/uplcv?utm_term=watch+movies+4k+free PDF link annotation
- https://shibbirs.com/media/files/36222132225.pdfIn PDF document text
- https://ecoverservice.be/gallery/file/bokifefopos.pdfIn PDF document text
- https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/kuzen.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/19547884954.pdfIn PDF document text
- https://ladangmimpi2.com/contents/files/86233754745.pdfIn PDF document text
- http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/69095798703.pdfIn PDF document text
- http://szm.hu/userfiles/file/23362159309.pdfIn PDF document text
- https://bnovum.hu/downloads/78227908584.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/82401519547.pdfIn PDF document text
- http://zhouzhuanx.com/v15/Upload/file/20219773391809.pdfIn PDF document text
- http://debnine.net/UserFiles/File/34292251630.pdfIn PDF document text
- http://zonweringnederland.com/ckfinder/userfiles/files/7024820539.pdfIn PDF document text
- http://gfb.it/upload/fck/file/kubuji.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c81665dff3---19152785597.pdfIn PDF document text
- https://lorus.rs/files/dubagekemilas.pdfIn PDF document text
- http://hoadon-dientu.net/images/files/92643528225.pdfIn PDF document text
- http://matsusushionline.com/uploads/files/51182650170.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/59621320221.pdfIn PDF document text
- http://fsnmmaterials.com/UPFILE/userfiles/files/kinulonizaxoxemufonere.pdfIn PDF document text
- http://labuchedeberce.fr/userfiles/file/11695511311.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/varabopuka.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fddce337b7---43929830402.pdfIn PDF document text
- http://rc-saty.cz/gais/image/file/dekekinajunenepovabezefog.pdfIn PDF document text
- https://uslugiinzynierskie.com/eurostyl/photos/file/lepajezixilikes.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/63740193550.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 |
|---|---|---|---|
font_00_sfnt_off0000f7f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001100a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100A | 10680 bytes |
SHA-256: 7adf1811d791c7ce83755dfb0ab42a063e2ee5f8845c6a8da0441abec354109b |
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font_02_sfnt_off000128aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128AA | 18056 bytes |
SHA-256: e42ebf66af254c55712005d01b0e1dae074c28a96460ffac1ef0d406b925c3a5 |
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font_03_sfnt_off000156a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156A6 | 17364 bytes |
SHA-256: 4d984974ff8d9a943cccec67acf45bf21891af95a79921457a6cf344183970ff |
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