MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external URIs, including one with a 'utm_term' parameter suggesting tracking, points towards a phishing or scam lure. The 'SE_CALLBACK_LURE' heuristic further supports this, suggesting the document is designed to trick users into calling a number for fraudulent purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://queure.ru/uplcv?utm_term=hollywood+movies+dubbed+in+tamil+watch+online PDF link annotation
- http://xn----otbbfbbknchz.xn--p1ai/sadm_files/nivunijokomusuluzafepum.pdfIn PDF document text
- http://surmounttravel.com/userfiles/files/66942312168.pdfIn PDF document text
- http://notar-frings.de/userfiles/file/topunimedunil.pdfIn PDF document text
- https://jin-ji.com/upload/files/pelaxotexojoveli.pdfIn PDF document text
- http://myphamhelios.vn/luutru/files/57581848292.pdfIn PDF document text
- http://kusistoconstruction.com/userfiles/file/teromipojunivemekavi.pdfIn PDF document text
- http://umffz21.ru/admin/ckfinder/userfiles/files/wowed.pdfIn PDF document text
- http://inhome360.ru/admin/ckfinder/userfiles/files/66715840626.pdfIn PDF document text
- http://georgekoldun.com/var/upload/file/76691298361.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/dfacbe66ae45f0c58d2ae1588c5806aa/52549694829.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135932febf5a---5516845875.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/jujijij.pdfIn PDF document text
- http://idroter.org/userfiles/files/45781175304.pdfIn PDF document text
- https://tonthephunglan.vn/upload/files/lotapesukajuniwoxun.pdfIn PDF document text
- http://cleanyachts.it/writable/public/userfiles/file/bubupez.pdfIn PDF document text
- http://thayloilocnuoctaihanoi.net/upload/files/45370450767.pdfIn PDF document text
- http://laskod.hu/userfiles/file/jerolifigowilixove.pdfIn PDF document text
- https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/fikitasoxedag.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/poguwujijaviwomobuvag.pdfIn PDF document text
- https://familienbilstrup.dk/userfiles/file/vobug.pdfIn PDF document text
- https://www.serwkom.pl/plugins/ckfinder/userfiles/files/82294054142.pdfIn PDF document text
- http://diencongnghiepvohoang.com/uploads/files/36792176559.pdfIn PDF document text
- http://tdvvietnam.vn/webroot/img/files/lamirovepova.pdfIn PDF document text
- https://brillimet.com/uploads/files/202109061749329084.pdfIn PDF document text
- http://suphammamnon.org/uploads/files/41561189910.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_off0000c5e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5E2 | 17748 bytes |
SHA-256: c3cf636be982f0879d312f4c234605d63098f0d3dcbdb340e81e7afe931afec6 |
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font_01_sfnt_off0000f41b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF41B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C32 | 11032 bytes |
SHA-256: 390389efe40e6462877c9dc04aeeab6e718a61c77675a13fec1be3366fb1063b |
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