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 domains and are part of a link farm, suggesting a phishing or SEO manipulation scheme. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9815
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 http://pphu-joanna.pl/fckpliki/file/34922622207.pdf In PDF document text
- http://hmed.vn/upload/files/segofivakuxenopakolimowe.pdfIn PDF document text
- http://westernmaki.com/uploads/files/mozumikelegijajelapis.pdfIn PDF document text
- http://vina2002.com/uploads/files/jawav.pdfIn PDF document text
- http://hidropro.hu/upload/pozurevo.pdfIn PDF document text
- http://4grd.com/cmsimages/file/45017231652.pdfIn PDF document text
- https://aldapa.eus/files/galeria/files/74406467760.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/nejerugegemobemusuwuwu.pdfIn PDF document text
- http://abw10thstreetne.com/uploads/files/tuwedanurafesabakuzurun.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/fatedajovireke.pdfIn PDF document text
- https://ever-progress.dacola.com/upload/files/xufozegetujapuro.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/sebefamugivedu.pdfIn PDF document text
- https://minervatech.work/js/ckfinder/userfiles/files/3283312034.pdfIn PDF document text
- https://investir-petroleo.pt/ckfinder/userfiles/files/47790748205.pdfIn PDF document text
- https://marblobathware.com/app/webroot/img/files/doduvunenadofijajopobuwux.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1fd76466f---xitasanos.pdfIn PDF document text
- http://airzo.net/userData/board/file/kewinikudekavibopovonodim.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/xezujowodubujasabulakorav.pdfIn PDF document text
- http://julianina.de/upload/file/wiguxofupobozodaxagozobi.pdfIn PDF document text
- https://abcoegypt.com/userfiles/files/menaxumojarefebiw.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/lodepavewojiboxe.pdfIn PDF document text
- http://xn----7sbicwad4afgcgd5aph7d5e.xn--p1ai/ckfinder/userfiles/files/9110227916.pdfIn PDF document text
- http://paintmaster.hu/js/ckfinder/userfiles/files/ragifumodijawuzowigifim.pdfIn PDF document text
- http://rovitek.com/userfiles/file/desul.pdfIn PDF document text
- http://zulaikhatextile.com/userfiles/files/56360137745.pdfIn PDF document text
- https://madspot.dk/ckfinder/userfiles/files/zokaxudadawafek.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=honor+9a+vs+redmi+8a+dualPDF link annotation
- 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_off0000e6df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DF | 18980 bytes |
SHA-256: 3c84c627c28bfc67c87025a2e87115b727b695c76e19faf80c0c17ad50e3693b |
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font_01_sfnt_off00011908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11908 | 10844 bytes |
SHA-256: ec88978c26eb68965abef1e8c14f2481c7ada71bb9e3fdf2305ace73bbe0f619 |
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font_02_sfnt_off0001320d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1320D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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