MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs, with a high-confidence heuristic identifying it as a link farm on disposable hosting. One of these links, 'https://ambulatorioveterinariosismondi.eu/file/tuzerabopupamebu.pdf', is flagged as a random URL. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure suggests a lure to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://multi-accueil.fr/ressource/site-image/files/85108872040.pdf In PDF document text
- http://laibros.com/ckeditor/userfiles/files/73889926254.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/21081646776.pdfIn PDF document text
- https://hijaulumut.com/contents/files/12624197264.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/90264218dd23934a87cf5797212f12a6/zelodav.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/34966843301.pdfIn PDF document text
- https://ambulatorioveterinariosismondi.eu/file/tuzerabopupamebu.pdfIn PDF document text
- https://shoppingplanet.cityplanet.ro/ckfinder/userfiles/files/rovobomusukesaxu.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/70233206067.pdfIn PDF document text
- http://shopcode.ru/uploads/file/jesizejet.pdfIn PDF document text
- http://status.cz/UserFiles/File/torupi.pdfIn PDF document text
- https://datenglagi.com/contents/files/82741067085.pdfIn PDF document text
- http://chanakol.com/ckfinder/userfiles/files/jigonumogupopizilusojogit.pdfIn PDF document text
- https://rlmahtani.com/userfiles/files/muvojitifotuxo.pdfIn PDF document text
- https://ldcpc.com/ckfinder/userfiles/files/sofamixo.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161455b58e8f76---kawufuporalafezuzuban.pdfIn PDF document text
- http://elcolono.net/userfiles/files/sesesodixopufivifer.pdfIn PDF document text
- https://delta-relay.be/userfiles/file/vubawatasiwikerinovexog.pdfIn PDF document text
- https://podiummagazinenews.com/ckfinder/userfiles/files/34505106196.pdfIn PDF document text
- https://pomacanthe-art.fr/imagebeforeafter/files/44049828290.pdfIn PDF document text
- https://sportyou.fr/ckfinder/userfiles/files/vixudexivapozajodufavelen.pdfIn PDF document text
- https://chmelo.hu/sites/default/files/file/54052808747.pdfIn PDF document text
- http://secoinblock.com/upload/files/vigigofojem.pdfIn PDF document text
- http://ruihuitax.com/files/file/88096373746.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=geofencing+java+examplePDF 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_off0000c7a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dfb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB4 | 17612 bytes |
SHA-256: 2c578ae5e0a7cfe9dad9bb3003d861cb04f60be68a252e5afa92cc8e1534bbad |
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font_02_sfnt_off00010d9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D9D | 10792 bytes |
SHA-256: 4783a6f997f09b78e70d307282cf3a267aafb1783d29eb43fd7a145ea5dda047 |
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