MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to suspicious PDF files hosted on various domains, suggesting a link farm or distribution point for further malicious content. While no scripts were explicitly extracted, the PDF structure and the presence of external URIs are indicative of a phishing or malware delivery attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
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://napraforgohotel.hu/upload/file/gororulinimopapo.pdf In PDF document text
- https://mtestbd.com/assets/uploads/files/45733032441.pdfIn PDF document text
- http://xinshifm.com/userfiles/file/47117747116.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210901_A3B192FC19295741.pdfIn PDF document text
- http://belly.bpv.su/content/files/files/42006847161.pdfIn PDF document text
- https://www.hosotte.com/ckfinder/userfiles/files/67330012942.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/31301451372.pdfIn PDF document text
- https://paeonia.ch/userfiles/files/jiwutinijeribolebawixe.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/10344962431.pdfIn PDF document text
- https://ww150004.linebot.net/upfile/files/20210905021756.pdfIn PDF document text
- http://abriganature.centralcms.cloud/galeria/files/5072510124.pdfIn PDF document text
- http://lateonsettay-sachs.org/userfiles/file/netemuvexagevo.pdfIn PDF document text
- http://drironcat.com/images/file/kazutopawoguvedufex.pdfIn PDF document text
- http://stylowa-pss.pl/userfiles/file/semesubepanukilabu.pdfIn PDF document text
- https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/wizekijamobirizaxuka.pdfIn PDF document text
- https://amoslodge10.org/ckfinder/userfiles/files/78799041498.pdfIn PDF document text
- https://pianotuningdarwin.com/userfiles/files/kupenavudujelax.pdfIn PDF document text
- http://roomyab.ir/basefile/roomyabir/files/rulufesitexivafarab.pdfIn PDF document text
- http://azizolace.cz/images/file/tufedukuzozolexafafujixo.pdfIn PDF document text
- http://whkmradio.com/userfiles/file/53726979056.pdfIn PDF document text
- https://rajaunited.com/contents/files/gisada.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/161387a188a74e---vefajipi.pdfIn PDF document text
- https://rakowka.pl/userfiles/file/pevogegelixuvesomux.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=schaum%27s+outline+of+engineering+mechanics+dynamicsPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c64c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC64C | 1868 bytes |
SHA-256: b44e304f4199d162c520aa61e4565b27969aa952fa2ee1db3f4cf671ae1a9eb8 |
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font_01_sfnt_off0000cf03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e71a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71A | 11244 bytes |
SHA-256: 4338e16bcd074191efa03bab4b4b646d08be1d7274ce8eee13e0ecc0d768e13a |
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font_03_sfnt_off00010122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10122 | 20652 bytes |
SHA-256: de3057e99bfe5c4f9cbe06a7ce330d72e6ed4097bd3003537f36726628d3a774 |
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