MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous embedded URLs, many pointing to disposable hosting and using UTM parameters, strongly suggests a phishing or link-farming attack pattern. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://chcial.ru/uplcv?utm_term=all+the+wings+of+love PDF link annotation
- http://cpk.by/ckfinder/userfiles/files/zovenufomaxopawowap.pdfIn PDF document text
- https://motodubai.com/uploaded_images/files/givabegesa.pdfIn PDF document text
- https://at-studio.tw/app/webroot/userfiles/files/20210901_131705.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/jatawa.pdfIn PDF document text
- https://rtquery.reitoken.org/Coaching123/images/files/96670280559.pdfIn PDF document text
- http://gardens-spa.com/user_pict/file/8127822113.pdfIn PDF document text
- http://adas-muko.pl/photo/file/27345480733.pdfIn PDF document text
- https://kimcert.org/E/file/xafigagegelajawusatonebir.pdfIn PDF document text
- http://sutipatika.hu/userfiles/files/32354940714.pdfIn PDF document text
- http://teachatapollo.com/file/robavofuxesul.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/jowatakowelewanotuwun.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/81694406734.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/5fd91979246184d9d3054dcbe1e748e9/xapug.pdfIn PDF document text
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/29148666407.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1632723714.pdfIn PDF document text
- http://www.jasolasia.com/image/upload/File/7047859663.pdfIn PDF document text
- http://centromedicoveterinarioadda.com/userfiles/files/66839145606.pdfIn PDF document text
- http://kukdae.com/files/fckeditor/file/vunexixipuzelupoxubof.pdfIn PDF document text
- http://studiotecniconuti.it/userfiles/files/sinatewovojiriboxek.pdfIn PDF document text
- http://wsm.hk/images/files/3349047953.pdfIn PDF document text
- https://yuvasarkar.org/userfiles/file/4668565466.pdfIn PDF document text
- http://sieuthivatlieuhoanthien.com/upload/files/13259270498.pdfIn PDF document text
- http://bingsu.ir/cache/fck_files/file/88346694560.pdfIn PDF document text
- http://alrabbanoilandgas.com/file/files/6930708407.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1614e636c33f61---xesuziwalozejawe.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_off00011742.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11742 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012f59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F59 | 10364 bytes |
SHA-256: 99ebc3d4236c0ecfbd44549fe715a42c1bc69646f0dbf227bcf037ae30a9c042 |
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font_02_sfnt_off000146c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146C7 | 20096 bytes |
SHA-256: e5a1175b542a56230e9b9e614cf5e6841ce0f424d7bd681011274289ecd890b9 |
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