MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a ML classifier and ClamAV, indicating malicious intent. The presence of numerous external URIs, many hosted on disposable domains and configured as a link farm, strongly suggests a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://inwebjor.ru/uplcv?utm_term=watch+this+is+us+online+season+4 PDF link annotation
- http://ajivikafinance.com/userfiles/file/568639017.pdfIn PDF document text
- http://ambulanceservice.pl/userfiles/file/vosiretij.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/doxizivazub.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbeab5c5a0---popuwidovuba.pdfIn PDF document text
- http://dominopark.pl/public/upload/ckfinder/userfiles/files/90099156715.pdfIn PDF document text
- http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/zumapuvipawanopa.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/53557429457.pdfIn PDF document text
- http://toyotarent.tw/FileData/ckfinder/files/20210912_F365D441266B9DA3.pdfIn PDF document text
- https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/44978152654.pdfIn PDF document text
- https://channeloflove.com/ckfinder/userfiles/files/9591235456.pdfIn PDF document text
- http://nsmpublicschool.org/slbdavbatala/userfiles/file/8941967638.pdfIn PDF document text
- http://change4best.ru/upload/file/99803487332.pdfIn PDF document text
- https://quatden.vn/webroot/img/files/pogebeboboritoboviwalup.pdfIn PDF document text
- http://7166867.ru/ckfinder/userfiles/files/69542391103.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/66061385498.pdfIn PDF document text
- https://lanna-flyingclub.com/ckfinder/userfiles/files/59338170008.pdfIn PDF document text
- https://people11people.com/uploads/File/xexonilofupesabileme.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/21f7be52281f1c09d0aabfd3ab4ca747/gibefukulajote.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/winisolaveg.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/64035879407.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/riladaxupesof.pdfIn PDF document text
- https://ziyang100.com/userfiles/file/art_16320015718189.pdfIn PDF document text
- http://herfon-machinery.com/images/ckfinder/files/20210905225427.pdfIn PDF document text
- http://karat-dobremiasto.pl/userfiles/file/miliminenumufejifuful.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_off0000f5c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010dd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD6 | 17692 bytes |
SHA-256: b2e80ed1cf68edb519ba56d20d0ebf5f649aee2bce06be6fa5d172b9907204f7 |
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font_02_sfnt_off00013c13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C13 | 10396 bytes |
SHA-256: 5002cdaea4f5cfbbdca26deac5b96e4f4105c04d30bc63eb8e83ff0a222c64b6 |
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