MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing or tech-support scam pretext, aiming to trick the user into contacting the attacker. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious document, likely exploiting a PDF vulnerability to execute further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://locoffice.ru/userfiles/file/nimijuliwudovajog.pdf In PDF document text
- http://ardeche.proximeo.com/ckfinder/userfiles/files/nawugejiruvuwoxejijuveg.pdfIn PDF document text
- http://www.sictombbi.fr/ckfinder/userfiles/files/sogegapugajimiloxokog.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/fovivijad.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/paxedokogunowevoju.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/kesewiwanagelijidewa.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/73047427952.pdfIn PDF document text
- https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/virorulo.pdfIn PDF document text
- http://juditphotography.com/picture/userfiles/file/bifakejezapobin.pdfIn PDF document text
- http://cbcom.eu/ressource/site-image/files/63407606850.pdfIn PDF document text
- http://uralcomservis.ru/crn_fls/crn_files/gazutibuladipu.pdfIn PDF document text
- https://afmiletisim.afmiletisimajansi.info/resimler/files/tolukotipigiral.pdfIn PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/tubufabumeteti.pdfIn PDF document text
- https://nepalipublisher.com/ckfinder/userfiles/files/nimadelimabelunawamoni.pdfIn PDF document text
- https://www.padanguparduotuve.lt/ckfinder/userfiles/files/93554360441.pdfIn PDF document text
- http://noahmission.org/dataroom/file/meditemukimula.pdfIn PDF document text
- https://paperland.bg/uploads/file/piwikupexunun.pdfIn PDF document text
- http://cmsrecuperocrediti.it/images/file/94415669685.pdfIn PDF document text
- http://www.kowel.com/ckfinder/userfiles/files/1631569984.pdfIn PDF document text
- http://sieuthibds.net/images/files/84386569073.pdfIn PDF document text
- https://breedlife.com/upload/files/49445582305.pdfIn PDF document text
- http://kubak-ubezpieczenia.pl/userfiles/file/lizonijevuwuzekuz.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613add589388c---94274412613.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=mi+android+no+inicia+se+queda+en+el+logoPDF 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_off0000decd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f6e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E4 | 10688 bytes |
SHA-256: 3859c14d860fa40eee473fd0996ddf90aa66c00c7a0718659c7faaa321569283 |
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font_02_sfnt_off00010eeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EEB | 18488 bytes |
SHA-256: 32cec6cec4d6356521a7f340385ceda246881680d08297926f3de07ccc3f886c |
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