MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high number of distinct hosts and links, suggesting a coordinated effort to manipulate search engine results or distribute malicious content. No scripts were extracted, but the overall structure and heuristic firings strongly suggest a phishing or malicious content distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://studiocinti.eu/userfiles/files/87260103372.pdf In PDF document text
- http://geose.ru/userfiles/file/45130866962.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/67720941558.pdfIn PDF document text
- https://baoyi-chuck.com/ckfinder/userfiles/files/voxusevojufewefumakosos.pdfIn PDF document text
- https://hyosung-gulf.com/uploads/file/51777865830.pdfIn PDF document text
- http://olddieselparts.com/ckfinder/userfiles/files/pojukefufidisisegave.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/c99e8fc0bfe09698dfc6811f88a23c39/12698627427.pdfIn PDF document text
- http://faurau.com/luodan/images/userfiles/file/kataleri.pdfIn PDF document text
- https://alubiasdetolosa.com/files/galeria/files/pizud.pdfIn PDF document text
- http://gibkrakow.pl/uploads/files/ranifana.pdfIn PDF document text
- http://sentai.cc/data/file/20210918_000030_774.pdfIn PDF document text
- http://kasand.com/userfiles/jisafovinoro.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/redivite.pdfIn PDF document text
- https://mirrorlink.com/public/files/files/xolekejakorudujujaz.pdfIn PDF document text
- http://netmode.net/app/webroot/uploads/files/33928650519.pdfIn PDF document text
- https://ispartaorganizasyon.com/ckfinder/upload/files/tanevetujiwiwarowimuwux.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/55089468219.pdfIn PDF document text
- https://ikima.fr/uploads/file/30850857893.pdfIn PDF document text
- http://kondicionery-dzerzhinskij.ru/upload_picture/file/17637802337.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/zapazozigodibesijameje.pdfIn PDF document text
- http://thuexe7cho.vn/upload/files/simoferaveperanajofa.pdfIn PDF document text
- http://telecycling.info/files/file/30223344493.pdfIn PDF document text
- http://osteriailgalloelinnamorata.com/userfiles/files/fusigadepiwowafitub.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/waxirujelamitovef.pdfIn PDF document text
- http://soluzionebenessere.eu/userfiles/files/46552890707.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/TxADE9PCSUw/uplcv?utm_term=inside+out+day+at+schoolPDF 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_off0000bd68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD68 | 10532 bytes |
SHA-256: 6620a95a77751aa6d8b72cf88b0a7a7dfafb866e891a056ca8a8738207e74c1a |
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font_01_sfnt_off0000d55a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD55A | 16328 bytes |
SHA-256: 3e15cdc3478b6e8805759a69bdeaf951860590511af3d0ef11a32ad1f211470f |
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font_02_sfnt_off0000ff44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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