MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a callback phishing or tech-support scam. The heuristic 'SE_CALLBACK_LURE' indicates the document likely prompts the user to call a phone number under the guise of resolving a financial or security issue. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it may be part of a larger phishing campaign, potentially leading to further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://visusmarble.com/images_upload/files/tijiwu.pdf In PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/resapinixamav.pdfIn PDF document text
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/40699363302.pdfIn PDF document text
- https://cevhertemizlik.com/userfiles/files/11913808735.pdfIn PDF document text
- http://stensoproject.com/userfiles/files/pimabuputedinenide.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613834b544dd7---31566446647.pdfIn PDF document text
- https://matfplayer.com/calisma2/files/uploads/54239394178.pdfIn PDF document text
- http://boldogelet.hu/media/jaxedexozoguvaj.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/gemamopebuve.pdfIn PDF document text
- https://toananhmedical.com/uploads/files/zosuvumi.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/vuvofamulor.pdfIn PDF document text
- http://studiovalentini.eu/userfiles/files/94367735842.pdfIn PDF document text
- https://ciiinnovationsummit.com/ci/userfiles/files/88463644237.pdfIn PDF document text
- http://alltechsro.cz/files/74526257697.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/971747109.pdfIn PDF document text
- https://aporpeter.ro/userfiles/file/kurojovilafamajaboxitajuv.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/83509429932.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130dac82b26a---korarumexolasosonigapo.pdfIn PDF document text
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/kewagimurilunegonaxopekaf.pdfIn PDF document text
- http://nova-auto.com/upload/vebiraxabikabipigikef.pdfIn PDF document text
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/30678172328.pdfIn PDF document text
- https://emotionalgift.com/ckfinder/userfiles/files/7913062365.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/mozotosukesazugoku.pdfIn PDF document text
- http://konemara.hu/userfiles/file/57230513254.pdfIn PDF document text
- http://millecolori.it/images/file/79544172912.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+remove+the+autocorrect+on+androidPDF 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_off0000d56d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD56D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED84 | 10664 bytes |
SHA-256: 098c2380fd681563ea35bc6a4fcd1fb789074c3bc7f4edccff868b260dd43116 |
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font_02_sfnt_off000105c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105C0 | 18080 bytes |
SHA-256: 6bc9ac1da5c217c0c5b2da195abaa94e006874b7172523b2375dedb4c0d64eb4 |
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