MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many of which are part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attack pattern involving redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://cructi.ru/uplcv?utm_term=mac+os+x+v10+6+snow+leopard+iso+download PDF link annotation
- http://ser-buk.com/userfiles/file/8039952271.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/funisowapulesigufasusaxig.pdfIn PDF document text
- http://autoscuolemontagna.it/userfiles/files/libidegufonetokejujotele.pdfIn PDF document text
- http://mtt-association.fr/upload/file/ridoxigudefesuzapuwiperig.pdfIn PDF document text
- http://synphabase.ch/upload/file/71906195965.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/fizozelaxekag.pdfIn PDF document text
- http://daisytalavera.com/userfiles/files/mazidavokorome.pdfIn PDF document text
- http://piemonteforyou.it/userfiles/file/rutorokuz.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/rukukuxobojo.pdfIn PDF document text
- https://vientangluc.com/upload/files/norubuz.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143202a1bc05---61302809383.pdfIn PDF document text
- http://bk-plus.at/userfiles/files/keditetafabalukajidolitiz.pdfIn PDF document text
- https://artistprasanna.com/userfiles/file/rudoxuzujemowotu.pdfIn PDF document text
- http://tevukasveza.lt/ckfinder/userfiles/files/kidabosaba.pdfIn PDF document text
- http://dachastyle.com/userfiles/file/76887985992.pdfIn PDF document text
- http://c2ctrading.org/cms_upload/files/69269558531.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16145e091cd0ee---gowibebedevewesifogepe.pdfIn PDF document text
- https://soudurelausiere.com/upload/editor/file/mopopuw.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/pojepi.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/dojejabuzawatuwitiduga.pdfIn PDF document text
- http://freehajjandumrah.com/admin/admin/uploadfiles/file/xebatofavogevuzepita.pdfIn PDF document text
- http://www.dean-cpa.com/files/adminpic/file/vujefoge.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/fogafoxameweza.pdfIn PDF document text
- http://gamulchi.org/userfiles/file/20297311030.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/57473047937.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/54533402452.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_off0000d578.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD578 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED8A | 18924 bytes |
SHA-256: 35f3c3c7296cc15677c63c13ec95dffccdab259d7bc8be6be5643a066310a23e |
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font_02_sfnt_off00011ee5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EE5 | 11000 bytes |
SHA-256: 4cf7ee9005e0e2aecbfc0f2debb1d8ed27d9cb8473f3eb7220429becf24594ea |
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