MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains a large number of external links, many pointing to potentially disposable domains, suggesting a link farm or phishing lure. The PDF_RANDOM_URL_LINK heuristic specifically identified a link to 'http://ambulatorioveterinariovianello.eu/userfiles/files/6257880038.pdf', indicating a likely attempt to redirect the user to malicious content. No scripts were extracted, but the overall structure and link distribution strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://donghobaoan.com/uploads/files/misabob.pdf In PDF document text
- http://napiarsaigh.com/images/89772290635.pdfIn PDF document text
- http://iact2001.com/userData/board/file/89905863084.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/6257880038.pdfIn PDF document text
- http://ateliergermain.net/sites/default/files/file/13400830110.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/4kplpd5hcbhvqjg6vgfofgjet5/3147065288.pdfIn PDF document text
- http://www.lircai.com/web/inline/file/67179667432.pdfIn PDF document text
- https://klcmekatronik.com/ckfinder/userfiles/files/vazejoxikovabafajogunil.pdfIn PDF document text
- http://bburago.info/admin/fckeditor/userfiles/file/sibiviwejabudunalew.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/kadutobomuxojelumuku.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/161484af90235f---74687323311.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/sobotet.pdfIn PDF document text
- https://ceramicasvillaflor.cl/UserFiles/File/tuxofuw.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/46917591173.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131712d798f3---84487135297.pdfIn PDF document text
- http://globalsocialwlefaresummit.com/app/webroot/uploads/ckuploads/files/18114458147.pdfIn PDF document text
- http://arredamenticucinesiciliane.it/userfiles/files/74101688027.pdfIn PDF document text
- http://ecohouse-lab.com/userfiles/file/42778641180.pdfIn PDF document text
- http://delfosventures.net/userfiles/files/1341070067.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/49469292589.pdfIn PDF document text
- http://gonvvama.net/filespath/files/20210922234531.pdfIn PDF document text
- https://xn--q3cceuw0c6ab0d2ii.com/upload_file/files/pajidawoviruxeputimatogu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=lords+mobile+diamond+store+apk+downloadPDF 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_off0000e9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AA | 17352 bytes |
SHA-256: e77bbac552470923a31795017d82d5ad746a08dbc55abf1e06b98bdfd129bb82 |
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font_01_sfnt_off00011622.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11622 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E39 | 10828 bytes |
SHA-256: eae034a651b09f5933fc05f87a81ad681aafa35abe6e55825507968c8dde38ca |
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