MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs, indicating it is designed to exploit vulnerabilities or deliver malicious content. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing or tech-support scam, where the user is prompted to call a number. The ML classifier and ClamAV detection further support the malicious nature of this file, likely involving exploitation for client execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://torremaggiore.sitmap.it/files/files/21215580711.pdf In PDF document text
- http://jtg-antracyt.pl/files/file/71930177857.pdfIn PDF document text
- http://xinyuemu.net/assets/202109/files/20210901140613673557.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/53967763595.pdfIn PDF document text
- https://dunakanyarfesto.hu/ckfinder/userfiles/files/marurekedo.pdfIn PDF document text
- http://ipea.kr/userData/board/file/71971192223.pdfIn PDF document text
- https://kermiradiatoriai.lt/images/files/menosonosamozuvileruzuvam.pdfIn PDF document text
- https://sanvexe.vn/webroot/img/files/59638966600.pdfIn PDF document text
- http://jpind.pl/userfiles/file/xozaxewuw.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/96567221599.pdfIn PDF document text
- http://uk-finansist.ru/userfiles/file/tuwof.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/acf28f9db361a685e66bf14461b227ac/82109324202.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/bovetag.pdfIn PDF document text
- https://i-chat.tw/js/ckfinder/userfiles/files/42070055877.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/58c59969804b7464b6deaeff062e49f2/80913110602.pdfIn PDF document text
- http://terezszilvia.com/images/uploaded/file/viritodutupekijidaw.pdfIn PDF document text
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/wifejobaworolodid.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/47998906550.pdfIn PDF document text
- https://www.willmarshelter.com/ckfinder/userfiles/files/66560730239.pdfIn PDF document text
- http://juncheng.tw/upload/files/76410098710.pdfIn PDF document text
- http://azs-szermierka.pl/zdjecia/fck/file/tusulap.pdfIn PDF document text
- https://seo-methodes.com/userfiles/file/kofalaribikovujazukiwoxe.pdfIn PDF document text
- http://ablerexthailand.com/userfiles/files/3739715709.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/95194326254.pdfIn PDF document text
- http://technimexvn.com/images/ckeditor/files/jujuzo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=download+nougat+7.0+apkPDF 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_off0000d45d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD45D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC74 | 10592 bytes |
SHA-256: 7575f9f30af2e07acdcf6c0aeb59f0ffdd56df71b348c1ae9a2d662231429a1d |
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font_02_sfnt_off000104a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A1 | 18000 bytes |
SHA-256: 49ebd056e0522a600e029f56fd33653de84a6815286d4f8153655e7a7611a0c7 |
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