MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and is identified as a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest an intent to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://synerhu.ru/uplcv?utm_term=acceptance+message+sample PDF link annotation
- http://baloneacessorios.com/_upload/file///sabikozezazarevenulo.pdfIn PDF document text
- http://huntland.hu/upload/file/famez.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/78207798856.pdfIn PDF document text
- https://indiantiffin4me.com/nbloom/fckuploads/file/ledaruxegomolifijuxubeba.pdfIn PDF document text
- https://shih-tzu.ro/files/file/wetifogar.pdfIn PDF document text
- http://clevio.biz/fckUpload/file/57194566215.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/83306483648.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/161385e0ca41c9---kujanuxovuraxovuvibagesa.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/tiwadufanilapusogatep.pdfIn PDF document text
- https://gtnet-engine.com/ckfinder/userfiles/files/19489417344.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210902201400.pdfIn PDF document text
- http://recrute.fr/files/files/66485280683.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210905041054182.pdfIn PDF document text
- http://playbabydoll.com/userfiles/file/sulonuladivimemewalejula.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/85ee0f43c5295bbc6fd09454b760d357/maxatokupesegamiragazexo.pdfIn PDF document text
- https://tiklatakip.com/calisma2/files/uploads/lufuzejilisovomukilixeze.pdfIn PDF document text
- https://tranhtreo.com/images/ckeditor/files/98072487529.pdfIn PDF document text
- http://balmybnb.com/t/tutorfirm/uploads/ck/files/wifutuzoxu.pdfIn PDF document text
- http://turchifiltri.com/userfiles/files/xubejegona.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/voforujazilatedexotosuwif.pdfIn PDF document text
- http://cmsrecuperocrediti.it/images/file/83467618008.pdfIn PDF document text
- https://bk.knu.ac.kr/ckfinder/userfiles/files/wolawinajebagatuxijese.pdfIn PDF document text
- http://flairpens.ru/uploads/files/funowitunodenulabira.pdfIn PDF document text
- http://ooexperience.be/assets/Image/files/45012883685.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_off0000d0aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0AA | 10384 bytes |
SHA-256: a192b35a77ca2441feefe969e4d85c3153c0a9d6f711fd0a368ceff9794e1e2f |
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font_01_sfnt_off0000e82f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE82F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10041 | 17624 bytes |
SHA-256: 63e19f11b3f349c5f2b87a1f1945bfe5ab2c00190b398615a15583802052a7b6 |
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