MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting. This suggests the document's primary purpose is to redirect users to a network of sites, potentially for SEO manipulation or to serve further malicious content. No scripts were extracted, but the presence of multiple external URIs points towards a phishing or content distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://kystar.net/filespath/files/20210906064804.pdf In PDF document text
- https://dascalita.ro/app/webroot/files/userfiles/files/40710515333.pdfIn PDF document text
- http://abwlanham.com/uploads/files/furus.pdfIn PDF document text
- http://joyandwowbook.com/upload/file/63744625199.pdfIn PDF document text
- http://cokhiminhhien.com/media/ftp/file/38032675373.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/16126090389.pdfIn PDF document text
- https://xaydungdonggia.com/app/webroot/files/images/pages/files/niresod.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/65078388420.pdfIn PDF document text
- http://xn--12cbg9dihj7egda2g6a7dceb1d2cp4nvgf4f.com/datas/files/magilawirixureralaraxur.pdfIn PDF document text
- https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/juvepefagapuvit.pdfIn PDF document text
- http://langyupharm.com/upload/files/22123065503.pdfIn PDF document text
- http://sswjeans.com/files/69696890984.pdfIn PDF document text
- https://iqrainternationalschool.org/_assets/files/2246012095.pdfIn PDF document text
- http://xn--76-6kca8aqc6c.xn--p1ai/pic/userfile/48059038919.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/bomolut.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/bejukobivugiwiwujuf.pdfIn PDF document text
- https://xn--atpta-nfb.lv/images/userfiles/files/podififis.pdfIn PDF document text
- http://usagimatur.com/files/others/lijidolugazatetozaba.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/zimelifogever.pdfIn PDF document text
- https://everywheregenes.com/uploadfile/qu26_qu106_com/files/53614216819.pdfIn PDF document text
- http://congtrinhnhaviet.vn/upload/files/geloguz.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/28207552737.pdfIn PDF document text
- http://manegedebuitenwijck.nl/uploads/file/32174259233.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/19cfef81b22267a5cd470f8fa323182c/12576151858.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=outlook+incoming+mail+server+iphonePDF 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_off0000b60c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB60C | 11104 bytes |
SHA-256: 3435410ee72a9641ae967ea398e8f01c78273b90816a57bb9a7a1e1418642e85 |
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font_01_sfnt_off0000cfcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFCF | 19380 bytes |
SHA-256: 39c5038db06ba6bd247b7bee8730ed5f4b2f451e0867c9d15e9df7363585e905 |
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font_02_sfnt_off0001015f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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