MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous embedded URLs, many of which point to PDF files hosted on distinct domains, suggesting a link farm designed to obscure the ultimate destination. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically flags this behavior. While no scripts were extracted, the structure and URL patterns indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 http://xn--h1aeekk.xn--p1ai/files/file/11867602865.pdf In PDF document text
- https://qeyeoptical.com/ckeditor/ckfinder/userfiles/files/80106497323.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/jetibulewu.pdfIn PDF document text
- http://aquaclub.hu/userfiles/file/58375566464.pdfIn PDF document text
- https://daulte.ch/ckfinder/userfiles/files/jekus.pdfIn PDF document text
- http://murasakijr.com/uploads/files/levefabagevivemener.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f85494115---xifarusetetubiw.pdfIn PDF document text
- https://pmms-online.com/assets/file/risenopanutitofidumoni.pdfIn PDF document text
- http://anais.terminarz.online/kosmetyczka/krakow/files/sevukazowaketomaki.pdfIn PDF document text
- http://namlinhchisapa.com/userfiles/image/file/84712981954.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/g22vm94mhasd2gnph9m91mi5s7/titakamafemevedixi.pdfIn PDF document text
- http://friulanapanini.com/images/file/luwadavi.pdfIn PDF document text
- http://ubytovani-budejovice.cz/picture/vtextu/file/27264383254.pdfIn PDF document text
- https://architektor.ru/uploads/file/19340439971.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/fufer.pdfIn PDF document text
- http://modernplating.com/userfiles/file/97106693242.pdfIn PDF document text
- http://rpsbchamber.org/editorData/file/41994198788.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/jagujavigenaf.pdfIn PDF document text
- https://sfeerweter.nl/userfiles/files/32068911627.pdfIn PDF document text
- http://kidneytracker.com/ckfinder/userfiles/files/94518161887.pdfIn PDF document text
- https://netiko.ge/img/Data/file/zavirobazuwamesibuzejak.pdfIn PDF document text
- http://elitakhealing.com/ckfinder/userfiles/files/30983730188.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=android+wallpaper+hd+naturePDF 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_off0000d3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0A | 17260 bytes |
SHA-256: 0ecbcd1e87077b26124213375f62218f155187b444ece8752633035e4fcf7232 |
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font_02_sfnt_off000118c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C8 | 10488 bytes |
SHA-256: e171f4e9bfe062648a17d5505979d397405c703c964cd3521ae74daef1b03cf8 |
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