MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to unknown PDF files on various domains, suggesting a link farm designed to distribute further malicious content or phish users. The presence of a disposable link farm heuristic further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://premiersuli.hu/files/files/repawotiji.pdf In PDF document text
- http://naturalfurnish.com/userfiles/file/lifuxe.pdfIn PDF document text
- http://shriramashramssschool.org/userfiles/file/fadugutomopababida.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/botixotopitukizugal.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/venemovepuzilazejelijewo.pdfIn PDF document text
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91021630888.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b62c4721f4---dujejum.pdfIn PDF document text
- http://www.moyekolodin.com/files/lewezewo.pdfIn PDF document text
- http://otestmanager.com/club/data/userfiles/file/20210908052526.pdfIn PDF document text
- https://heureka-cz.eu/files/befonebejenel.pdfIn PDF document text
- https://slezanie.eu/userfiles/file/21082685187.pdfIn PDF document text
- https://sanidom.pl/img/file/58688266070.pdfIn PDF document text
- http://leeharringtonhomes.com/userfiles/file/xekevogefumifilavezadeb.pdfIn PDF document text
- https://europacreativaeuskadi.eu/files/galeria/files/kumudika.pdfIn PDF document text
- http://eltdb.com/UserFiles/files/ribazurizuwiselotigod.pdfIn PDF document text
- http://agriturismolataggiasca.eu/userfiles/files/34007331145.pdfIn PDF document text
- http://wadirumshootingstars.com/userfiles/file///getefomarororosi.pdfIn PDF document text
- https://drrajanmahtani.com/userfiles/files/xulizeru.pdfIn PDF document text
- http://www.reeder.ee/files/filemanager/gasefelotor.pdfIn PDF document text
- http://haki.vn/uploads/files/34122359881.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/68784180697.pdfIn PDF document text
- https://namkhoasaigon.vn/web/images/files/40490139593.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/69114914932.pdfIn PDF document text
- https://copacndg.com/images/uploads/files/54773609817.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=android+handy+als+wlan+hotspot+einrichtenPDF 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_off0000d6c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eedf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDF | 10792 bytes |
SHA-256: 97734fc9c688734ff47db556584477d91f435f9359365322f07827fde832cf0b |
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font_02_sfnt_off000107c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C3 | 18708 bytes |
SHA-256: 155d738dc8ebee97a9b76eb49615e8f22e5e96c08aacb552a13ecd5b9aed7cb4 |
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