MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm designed to distribute malicious content. The PDF contains numerous embedded URLs, many pointing to potentially compromised or malicious domains, suggesting a phishing or malware distribution campaign. While no scripts were directly extracted, the PDF structure and heuristic firings strongly indicate an attempt to redirect users to external, untrusted resources.
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 http://lyzebrno.cz/userfiles/file/navobinosatufaxidowu.pdf In PDF document text
- http://g-shocktou.com/user_file/file/19537335908.pdfIn PDF document text
- http://bestbelly.org/content/files/files/7189368950.pdfIn PDF document text
- https://cantarefides.ro/admin/userfiles/file/7990641972.pdfIn PDF document text
- https://biocoop.legreniervert.fr/ckfinder/userfiles/files/nisibutojijivitiko.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/falazenirarevozuvijewobu.pdfIn PDF document text
- https://kaptenhoki.info/contents/files/felipejemunutipotow.pdfIn PDF document text
- http://honghuibio.com/d/files/3412123159.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/3578897600.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/21137260636.pdfIn PDF document text
- http://etpatatietpatata.com/userfiles/files/1699176010.pdfIn PDF document text
- https://abisspaandboutique.com/nbloom/fckuploads/file/zupevasarikuzozitumelomuw.pdfIn PDF document text
- http://ozgu-yapi.com/firma/files/xozurakupe.pdfIn PDF document text
- http://kingswaytyres.com/project/kingsway/uploads/file/kajopiva.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/rewobapuga.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/24462214175.pdfIn PDF document text
- https://satuldelut.ro/ckfinder/userfiles/files/lipiriburusegatedaluxog.pdfIn PDF document text
- http://pro-customer.de/userfiles/file/dixivi.pdfIn PDF document text
- http://atrsara.ir/resource/files/momoniz.pdfIn PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/3048250456.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/6398144321.pdfIn PDF document text
- https://alzubidi.com/userfiles/files/wepimibuzisekonasuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=minecraft+java+for+android+apkPDF 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_off0000db63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB63 | 17280 bytes |
SHA-256: 921caa6e5c8f81a537f3b981a68d456aec90a68a67d7cbfb2d378e868aa20932 |
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font_01_sfnt_off000107db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ff2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF2 | 10680 bytes |
SHA-256: 093019b7b3b5d54b615e57151ad1fb6adc2a80e9475442fbf08ccdfdfccc88b9 |
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