MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a link farm structure. The presence of a 'download button' lure and numerous external URLs suggests an attempt to trick the user into downloading a malicious payload or visiting a phishing site. The embedded JavaScript is likely responsible for initiating the malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://uzks.hr/upload/datoteke/60863500319.pdf In PDF document text
- https://www.southdownscellars.co.uk/ckfinder/userfiles/files/fusaluvafixegarapop.pdfIn PDF document text
- http://mayepnuocmia.vn/data/ckfinder/files/66427519912.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/59005428823.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/011345091755.pdfIn PDF document text
- https://xn--fiqa735be48e.com/upload/files/25201433612.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/gawujimipagibomomiw.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/35835194857.pdfIn PDF document text
- http://gomientrung.vn/uploads/image/files/tevuxerizu.pdfIn PDF document text
- https://zilalcooling.com/other_files/File/jizijojumofogixa.pdfIn PDF document text
- https://akrmedia.no/ckfinder/userfiles/files/15697096385.pdfIn PDF document text
- http://faithleader.org/js/ckfinder/userfiles/files/7460289008.pdfIn PDF document text
- http://northmarking.com/userfiles/files/xedagevivuvelupijasosed.pdfIn PDF document text
- http://suchanekstomatolog.pl/files/file/nidipe.pdfIn PDF document text
- https://pierreseche.fr/userfiles/file/48745040744.pdfIn PDF document text
- https://brihat-group.com/assets/userfiles/files/tekimin.pdfIn PDF document text
- https://mlbcsimleague.com/ckfinder/userfiles/files/dosobefobomazuretemep.pdfIn PDF document text
- https://www.thaiahpa.com/flash/files/60065268537.pdfIn PDF document text
- http://burragebrothers.org/demo/jolie/beta/userfiles/files/nulizaxobowemuzodixadafal.pdfIn PDF document text
- http://apisicul.com/userfiles/files/vosavelelekotiba.pdfIn PDF document text
- http://luisacortesearchitetto.it/userfiles/files/94305215877.pdfIn PDF document text
- http://pillshop.ru/uimg/files/25412656947.pdfIn PDF document text
- http://clean-ecology.com/Upload/files/3315509078.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/22394247733.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/37126201495.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=best+android+app+for+recovering+deleted+filesPDF 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_off0000c164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC164 | 10916 bytes |
SHA-256: 02d63d0c370d08cf6024936a052a51e25fd69694a60e748e8e4799208054aa55 |
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font_01_sfnt_off0000daa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA1 | 16772 bytes |
SHA-256: 1a2bf4fb61489c3b127eb63607086688ce6883ebf3fed4999a1bce956c779df2 |
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font_02_sfnt_off0001054d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1054D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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