MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to external PDFs hosted on various websites, indicating a link farm or redirection mechanism. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ambulatorioveterinariorigolon.eu/userfiles/files/penipiw.pdf In PDF document text
- http://kxqcgs.com/filespath/files/20211003044924.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2886bb199---babazowoguto.pdfIn PDF document text
- http://aimecostruzioni.it/userfiles/files/65838888189.pdfIn PDF document text
- https://jackinthegym.com/uploads/files/202109060650253430.pdfIn PDF document text
- https://casasholidays.com/scgtest/team-explore/uploads/files/zojoxefetetobep.pdfIn PDF document text
- http://tramtronbetong.com/uploads/userfiles/file/71227258505.pdfIn PDF document text
- http://mbeautyconcept.com/upload/content_images/file/ranitetalev.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138eb51389a1---81917042933.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/49923845893.pdfIn PDF document text
- https://bibonatura.com/ckfinder/userfiles/files/4814328910.pdfIn PDF document text
- http://totoquynhhuong.com/upload/files/1293503315.pdfIn PDF document text
- http://coachhouse.info/assets/file/bifajiv.pdfIn PDF document text
- http://ipceurope.be/assets/file/dudilotozegeropus.pdfIn PDF document text
- http://www.smpnuenen.nl/images/files/sizelinotowunigala.pdfIn PDF document text
- http://cauthangdep24h.com/upload/files/52794367900.pdfIn PDF document text
- http://nanumed.ro/uploads/files/26625760228.pdfIn PDF document text
- https://tranthachcaodanang.thicongmaiche.com/uploads/image/files/75761363930.pdfIn PDF document text
- https://chambres-lannion.fr/userfiles/file/47026099919.pdfIn PDF document text
- http://reklama-kemerovo.ru/files/files/jerugajaf.pdfIn PDF document text
- http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/jenuwawepirerunama.pdfIn PDF document text
- http://studiotecnicodambra.eu/userfiles/files/39846007752.pdfIn PDF document text
- http://hebakotb.net/userfiles/file/18729703633.pdfIn PDF document text
- https://shioturboapi4-xyz.com/contents/files/xabeka.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=hd+lace+meaningPDF 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_off0000d5e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5E2 | 10220 bytes |
SHA-256: 4f8c8388397bd1bb9ea9726baa2489c3dda0995b9fd5b5727039bad79c3f79b0 |
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font_01_sfnt_off0000ec6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010480.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10480 | 18228 bytes |
SHA-256: 8abfa9c0a0f0c5765088d7c8b1471d535ea439535c0d39117c2c4b1ba029857c |
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