MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to various domains, many of which are identified as part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a tactic to obscure the true destination by using many low-reputation domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://braciszewska-klimek.pl/fck_files/file/jinawizakusasopagopivug.pdf In PDF document text
- http://csc010.com/userfiles/file/20210901141218_797mnz.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/63756199196.pdfIn PDF document text
- http://vinhhangvien.com/upload/files/83761291216.pdfIn PDF document text
- https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/jisopajebunifuw.pdfIn PDF document text
- https://99shayari.in/userfiles/files/1683052001.pdfIn PDF document text
- http://annabarons.com/files/files/ribebisaxudalexineji.pdfIn PDF document text
- http://citygclub.com/ckupload/files/gipukizajorejavuxemima.pdfIn PDF document text
- http://canadapremiumlubes.com/survey/userfiles/files/fodewu.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137114b187b8---lebigafobudokoweparoziwe.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/36761078111.pdfIn PDF document text
- https://lolakarimova.uz/ckfinder/userfiles/files/matewogileriwep.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/51925928950.pdfIn PDF document text
- http://mobilni-kadernictvi.cz/files/file/zijulakajukakut.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-4/20210904215827540841.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/96394949189.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/15695016575.pdfIn PDF document text
- http://grafiport.com/userfiles/file/palodiwezitovimezil.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/feteputuwakoj.pdfIn PDF document text
- https://oncallanatomist.org/ckfinder/userfiles/files/denakogidiwifebuvufuxutu.pdfIn PDF document text
- https://maurinet.com/userfiles/file/19901209391.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca34a2b147---30981024184.pdfIn PDF document text
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/44867624376.pdfIn PDF document text
- http://tourhong.com/FileData/ckfinder/files/20210906_FB5170864DA20C76.pdfIn PDF document text
- https://www.confirmedtour.com/files/jifenenad.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/mitanibodisaleji.pdfIn PDF document text
- http://riverside-plaza.com/upload/userfile/files/soletomutomozozawenuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=vampire%27s+fall+origins+offlinePDF 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_off0000cca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCA5 | 10608 bytes |
SHA-256: da17b40c0ef93b81bbae58428d656f57c1d7133dd9838047c21a2d2c37446031 |
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font_01_sfnt_off0000e4da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4DA | 17572 bytes |
SHA-256: aaad40217da6d0280823e2c4f2eb52c3cdbbb51b2e601cfe3e4bb1f8d5e22c58 |
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font_02_sfnt_off00011271.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11271 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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