MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism for phishing or malware delivery. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://rosenstein.lu/userfiles/files/piloxube.pdf In PDF document text
- http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/65033045782.pdfIn PDF document text
- http://rudolphalexander.com/uploads/files/sifuzitonagitafagebopigax.pdfIn PDF document text
- https://theipbuzz.com/images/file/74529907267.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/jotubenasoserosewedop.pdfIn PDF document text
- https://cvconstructionsgoa.com/pharma/admin/userfiles/file/28977342824.pdfIn PDF document text
- http://congress.bpv.su/content/files/files/71859797107.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/nulasuripinejubeka.pdfIn PDF document text
- http://3gr-group-com.gbintl.com/ci/userfiles/files/71191985977.pdfIn PDF document text
- https://salonrewards.ca/images/file/60914310055.pdfIn PDF document text
- http://mp-journal.com/media/file/14348977778.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/gupififibut.pdfIn PDF document text
- https://eirai.org/editor/ckfinder/userfiles/files/jidibijeli.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/bunamiz.pdfIn PDF document text
- http://techbis.pl/files/file/20504347126.pdfIn PDF document text
- https://onhimalayas.com/ckfinder/userfiles/files/23560349009.pdfIn PDF document text
- http://serting.eu/userfiles/files/zafimatomolofi.pdfIn PDF document text
- http://onsijsselstein.nl/userfiles/files/72314421237.pdfIn PDF document text
- http://grandfiltr.com/files/file/55653841227.pdfIn PDF document text
- http://agro-pasz.pl/ckfinder/userfiles/files/28179298539.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/72590149ff0e0ffecb8855e9d3ed2b2f/digagifan.pdfIn PDF document text
- https://assisdrive.pt/userfiles/file/42082862498.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/22291405104.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133fe3257202.pdfIn PDF document text
- http://ke-sen.com/userfiles/file/1632799261.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=particle+effects+in+minecraftPDF 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_off0000b47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB47C | 15900 bytes |
SHA-256: ca61028cfc9066877be483de2698757cb4d502c76760cf1773ae40f74433e7ca |
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font_01_sfnt_off0000dd5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5A | 10380 bytes |
SHA-256: 9ac17ecae414e84b390ff2ff2cdc6d7a09669c47bfd82e47b7fe9bfb5f6601d1 |
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font_02_sfnt_off0000f4c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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