MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous embedded URLs pointing to various PDF files hosted on different domains, suggesting a link farm or distribution network. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly supports this, indicating the document's purpose is to redirect users to a large number of potentially malicious or SEO-manipulating sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://surinmajestic.com/phya/ckfinder/userfiles/files/dakofatejito.pdf In PDF document text
- https://chptravel.ir/data/file/90288045980.pdfIn PDF document text
- http://tcihk.com/userfiles/gisexos.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16154554ba3549---93708993000.pdfIn PDF document text
- http://sergeybazarov.ru/file/65482345403.pdfIn PDF document text
- https://exlite.it/ckfinder/userfiles/files/jorujararajig.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/kos11hk0lnj2oh6opigmpc3160/zuduvejinawadoz.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/79405979748.pdfIn PDF document text
- http://druckmaschinenservice.com/uploads/fce/files/35807231272.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/97369128333.pdfIn PDF document text
- http://hkbroadwin.com/userfiles/62453948281.pdfIn PDF document text
- http://tiyuchangdi.com/upload_files/files/20210903_115721.pdfIn PDF document text
- http://kpghomerepairs.com/uploads/image/files/44008462253.pdfIn PDF document text
- http://www.childofafrica.org/media/userfiles/file/jakupavosefugotavuzozabog.pdfIn PDF document text
- http://jsqnchem.com/upload/files/33101295110.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/zelozakazufezebiratobok.pdfIn PDF document text
- http://timnhanhonline.net/upload/files/kikekofemor.pdfIn PDF document text
- https://kvizek.excore.hu/ckfinder/userfiles/files/37951677866.pdfIn PDF document text
- https://mastirz.com/userfiles/files/98650503047.pdfIn PDF document text
- https://www.multilandtours.com/assets/ckfinder/userfiles/files/ruvemosikureganowe.pdfIn PDF document text
- https://goldenlinejsc.com/userfiles/file/gafexejelarebabulu.pdfIn PDF document text
- http://directopinion.biz/uploads/FCK_files/file/nadejoxari.pdfIn PDF document text
- https://edubox.mn/uploads/users/0/files/41734947154.pdfIn PDF document text
- http://alompar.hu/uploads/content_files/files/sibejawojikamu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+see+the+post+of+instagram+private+accountPDF 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_off0000b34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB34A | 15344 bytes |
SHA-256: 9f56f282a088d808db5c2d22c58c8f105daa10fef12870007042f105a97acac8 |
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font_01_sfnt_off0000d9a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A9 | 11124 bytes |
SHA-256: 93d120d170bd2dd091da17613be00ae6a8a57fc59106f126718d5a9424cec965 |
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font_02_sfnt_off0000f38c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF38C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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