MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external links, many hosted on disposable domains, suggesting a phishing or malware distribution attempt. The heuristic 'SE_DOWNLOAD_BUTTON' indicates a deceptive call-to-action, reinforcing the malicious intent. The ML classifier and ClamAV detection strongly support a malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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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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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 https://allytemp.ru/uplcv?utm_term=windows+7+ultimate+sp1+64+bit+iso PDF link annotation
- http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/43220815263.pdfIn PDF document text
- http://e-sportis.com/images/upload/pokebaxu.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/43889174263.pdfIn PDF document text
- http://tuning-zone.eu/userfiles/file/88644811629.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/60058082844.pdfIn PDF document text
- http://elementsgogreen.com/userfiles/file/fobuvabi.pdfIn PDF document text
- http://www.aaar.cat/assets/js/ckfinder/userfiles/files/74465926489.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/botagozav.pdfIn PDF document text
- http://xaydunganphubacninh.com/webroot/img/files/76936173460.pdfIn PDF document text
- http://lovelyspa.net/ckfinder/userfiles/files/patuzinibitupit.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16132d54db34cc---84004655810.pdfIn PDF document text
- http://autofactory-jin.com/js/upload/files/971171152.pdfIn PDF document text
- http://hoachathoanggia.com/userfiles/file/relowoxol.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/foneligosu.pdfIn PDF document text
- http://assisdrive.pt/userfiles/file/gulugiwiwuregevotajesewem.pdfIn PDF document text
- http://abwingsbuffalo.com/uploads/files/73577420774.pdfIn PDF document text
- https://kccegis.com/upfiles/content/file/20210903235937.pdfIn PDF document text
- https://pioneerlift.com/upfiles/editor/files/90511623345.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/fewezix.pdfIn PDF document text
- http://synphabase.ch/upload/file/tufirawijajupatitogi.pdfIn PDF document text
- http://www.dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/sixegorexexi.pdfIn PDF document text
- http://www.sun-green.eu/ckfinder/userfiles/files/27867997988.pdfIn PDF document text
- https://altstudio.be/app/webroot/uploads/file/42894979766.pdfIn PDF document text
- https://newchat.xyz/js/ckfinder/userfiles/files/zixamazobufulafulavubebo.pdfIn PDF document text
- https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/poxajutoxudazuluvusinim.pdfIn PDF document text
- https://projectmine.hu/ckfinder/userfiles/files/mawipuvipelanavol.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_off0000de7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE7A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f691.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF691 | 11120 bytes |
SHA-256: 46df071f79b1c924a2c715c74be2c0879d2fa7d694702b266a236159b84a5681 |
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font_02_sfnt_off00011072.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11072 | 17396 bytes |
SHA-256: e8561a066977c9bb86128376cb67e2e8a01fcb026bb83bd66269d4d1e2e16d41 |
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