MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by multiple heuristics, including a critical ClamAV detection and a high ML score. It contains embedded JavaScript and numerous external URIs, indicating it's designed to redirect users to potentially malicious websites. The presence of a link farm heuristic further suggests a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://huntic.ru/uplcv?utm_term=la+bella+y+la+bestia+libro+pdf PDF link annotation
- http://bigcool.net/webroot/img/files/tazetapipidokixexenob.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/xamutukagetodid.pdfIn PDF document text
- https://lazeo.nl/userfiles/file/2293952385.pdfIn PDF document text
- http://www.civilhospitalpalampur.in/img/uploads/files/1237999260.pdfIn PDF document text
- https://mysilo.com/upload/ckfinder/files/36341651540.pdfIn PDF document text
- http://notar-frings.de/userfiles/file/dezorederavunoz.pdfIn PDF document text
- http://jogamiskolc.hu/ckfinder/userfiles/files/95160258881.pdfIn PDF document text
- https://xcheck.vn/uploads/userfiles/file/suxizovoluxigegixu.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613901d148494---mavemawumipazikigagan.pdfIn PDF document text
- http://vyveva.eu/UserFiles/File/sowawavimuxerij.pdfIn PDF document text
- https://pomtco.com/technical/files/file/62503497919.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/3026474876.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/1721070330.pdfIn PDF document text
- http://ourconn.com/userfiles/file/202109010208037347.pdfIn PDF document text
- https://beytarimcilik.com/admin/editor_resim/file/13622768389.pdfIn PDF document text
- http://studiocinti.eu/userfiles/files/55656710935.pdfIn PDF document text
- http://meimagedance.tw/ufiles/files/jimawutotamevigo.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/67ff91e1a08fa4cbc6a1cc42a0b427c4/67444276053.pdfIn PDF document text
- http://homelife-superstars.com/image/files/nomuliferaxoxem.pdfIn PDF document text
- http://all-vehicle.net/js/upload/files/tokepatipefudonebepiri.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/51802565090.pdfIn PDF document text
- http://hexindechem.com/upload/files/pizogedab.pdfIn PDF document text
- http://worldprint.su/userfiles/file/33514771908.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_off0000bdb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d5cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5CB | 10600 bytes |
SHA-256: 7fbcb073b2d3841057bbad23c3b1c7b5ff828fecd7d1742961ea32c9dcd89d2d |
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font_02_sfnt_off0000edee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDEE | 17912 bytes |
SHA-256: 7c369dd840c8a709b51e22f77e78d0181f411ff2efa0b95d942b98044760c47a |
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