MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous external links, many pointing to PDF files on different domains, suggests a link farm or SEO poisoning attack. The `PDF_SEO_DISPOSABLE_LINK_FARM` heuristic further supports this, indicating a pattern of using disposable hosting for link distribution. While no scripts were explicitly extracted, the nature of the PDF and its embedded links points towards a potential delivery mechanism for further malicious content or a phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 5
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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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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://e-ssuances.com/ckfinder/userfiles/files/kunob.pdf In PDF document text
- http://aceonlinementors.com/userfiles/file/24568947277.pdfIn PDF document text
- https://www.pessin-location.fr/ckfinder/userfiles/files/2468460925.pdfIn PDF document text
- http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/45122124267.pdfIn PDF document text
- http://dichvuhieuchuan.com/upload/files/47803102358.pdfIn PDF document text
- http://chrisdepanneservices.com/Sites/cds/files/4909526122.pdfIn PDF document text
- https://ikima.fr/uploads/file/garukisatogokomedifu.pdfIn PDF document text
- https://sujatasfoodopolis.com/ckfinder/userfiles/files/39935502234.pdfIn PDF document text
- http://confidenzacsapagy.hu/upload/diburegivepivigarapu.pdfIn PDF document text
- https://www.assofmt.org/ckfinder/userfiles/files/77593273009.pdfIn PDF document text
- http://sporteambiente.it/ckfinder/userfiles/files/45679666270.pdfIn PDF document text
- https://f27szerviz.hu/upload/files/gadekuba.pdfIn PDF document text
- http://www.tivafa.hu/upload/file/sexur.pdfIn PDF document text
- http://dxqzx.com/ckfinder/userfiles/files/20210915_151638.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/20546739949.pdfIn PDF document text
- https://sunriseinnjasper.com/nbloom/fckuploads/file/5753955803.pdfIn PDF document text
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/98119035306.pdfIn PDF document text
- http://hndgyl.com/v15/Upload/file/2021917106554314.pdfIn PDF document text
- http://brilsports.ro/userfiles/file///72836186886.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021091220170143.pdfIn PDF document text
- http://sukhonthip.com/file_media/file_image/file/jenifotarizegizerafukep.pdfIn PDF document text
- http://www.otevrenysklep.cz/ckfinder/userfiles/files/ropemilafupaja.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=malayalam+full+movie+watch+onlinePDF 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_off0000d23c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD23C | 17500 bytes |
SHA-256: 8dfc0f91e965ce3587a52f8fc84f374112fc4103a50f61fae32b5a4492230373 |
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font_01_sfnt_off0000fee1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F8 | 10692 bytes |
SHA-256: 43c40ef7159a7effd20fc88fcc4ae810760970e7d8a9a009859791dcd9738298 |
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