MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ClamAV as 'Pdf.Phishing.Trojan' and ML classifiers indicated a high probability of maliciousness. It contains numerous links, many pointing to disposable domains, suggesting a phishing or spam campaign. The heuristic 'PDF_RANDOM_URL_LINK' specifically highlights a link to 'http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/raxidovixatirulakefa.pdf', which is a strong indicator of malicious intent. The document body is heavily obfuscated and unreadable, providing no direct content clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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 https://archism.ru/uplcv?utm_term=quiet+place+part+2+soap2day PDF link annotation
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315cb9d1018---lepokokulupimijuvi.pdfIn PDF document text
- https://il-gusto.com/images/file/21934345002.pdfIn PDF document text
- http://gaytonfa.com/upload/files/38956329429.pdfIn PDF document text
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/31314928318.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/d74d7b1bef80bbb05ff9627453c4c7dd/kevumezu.pdfIn PDF document text
- https://repare-ton-smartphone.com/userfiles/file/12254267156.pdfIn PDF document text
- https://kstraders.com/userfiles/file/6627603754.pdfIn PDF document text
- https://perfecthospital.org/FCKeditor/file/19063122230.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/82283402606.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/rutekenumonomekoj.pdfIn PDF document text
- http://reylab.com/userfiles/file/45508191495.pdfIn PDF document text
- http://hingliltd.com/userfiles/runexulu.pdfIn PDF document text
- http://ffarchitettura.it/userfiles/files/tojazuxadekijimok.pdfIn PDF document text
- http://elard-group.com/ckfinder/userfiles/files/46921559482.pdfIn PDF document text
- http://soles2walk.com/data/file/pigenageramejewimuvi.pdfIn PDF document text
- https://vrindaindia.com/php/joseph/uploads/file/58886494325.pdfIn PDF document text
- http://alituncer.com/userfiles/file/zugarabunokivixaretu.pdfIn PDF document text
- https://rosewoodcity.org/nbloom/fckuploads/file/48445220815.pdfIn PDF document text
- http://michalpavlicek.com/uploaded/file/87262965814.pdfIn PDF document text
- https://gulamanis.com/contents/files/38475051402.pdfIn PDF document text
- https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/dadarexitogamedanezopi.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/lilawikutidak.pdfIn PDF document text
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/raxidovixatirulakefa.pdfIn PDF document text
- https://doan295doson.vn/namthuan/images/news/files/26042647489.pdfIn PDF document text
- 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_off0000c973.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC973 | 18412 bytes |
SHA-256: dca955ec6551dc7e200462a537d5e476cdb731176582474a42b23871b097c9e1 |
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font_01_sfnt_off0000f8f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011108.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11108 | 10796 bytes |
SHA-256: 255456132592032c9e2fc20eb9d7b07f224de560dd71edcf857a639bff59b6bf |
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