MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The heuristic 'SE_CALLBACK_LURE' strongly suggests the document's purpose is to trick the user into calling a phone number, likely for a tech-support scam or fraudulent billing inquiry. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a malicious document designed for social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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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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://hsiaoying.com/userfiles/file/46124574573.pdf In PDF document text
- https://dyaa.club/uploads/file/1756583656.pdfIn PDF document text
- https://munis-roquesalbes.cat/demo/vilalba/imatges/file/87693537024.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/xunufusabanos.pdfIn PDF document text
- http://autosvilar.com/uploads/ckfinder/files/xanosul.pdfIn PDF document text
- http://sinice-rasy.cz/files/file/30290505311.pdfIn PDF document text
- http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/revagiv.pdfIn PDF document text
- http://htk2.altrodesign.eu/ckfinder/userfiles/files/69485865678.pdfIn PDF document text
- https://havadisname.com/upload/ckfinder/files/sirefukuzi.pdfIn PDF document text
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/povinuwije.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16147337b24433---zaxod.pdfIn PDF document text
- http://zit-tech.com/userfiles/files/58624492267.pdfIn PDF document text
- http://5lovestartw.com/CKEdit/upload/files/milalexazasa.pdfIn PDF document text
- http://herbexindia.com/ckfinder/userfiles/files/37255337940.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/risikevotij.pdfIn PDF document text
- http://1-cities.com/blog_images/blog_/file/21363322806.pdfIn PDF document text
- https://cpsguffanti.it/uploads/file/rewaz.pdfIn PDF document text
- http://dichvubaove.online/upload/files/delazoxabu.pdfIn PDF document text
- https://augsburger-dartliga.de/uploads/file/82621195700.pdfIn PDF document text
- https://fratellifurloni.it/file/48899064138.pdfIn PDF document text
- http://pastadimatteo.com/ckfinder/userfiles/files/35674687112.pdfIn PDF document text
- http://hoaiduc.edu.vn/ckfinder/userfiles/files/25024816365.pdfIn PDF document text
- https://xrtradingfeedback.com/cmsimages/file/57294971391.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=where+can+i+watch+moulin+rougePDF 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_off0000b021.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB021 | 15072 bytes |
SHA-256: d4950c8acf7a2a20cde9ce1508158018fd3a090ef839f163b14727849a699785 |
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font_01_sfnt_off0000d668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD668 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE7F | 10688 bytes |
SHA-256: 8241e09d925b21a351ef6f350a9b8ad608991b2da5256e9488e3969ca7012624 |
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