MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, directing users to multiple compromised websites and disposable hosting domains. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a clear intent to redirect users to potentially harmful content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://tinavaron.com/ckfinder/userfiles/files/71305620889.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/031967d04b324e601b69bba6a18b165e/74582684756.pdf
- http://vssteel1999.com/ckeditor/userfiles/files/78881914239.pdf
- http://sacoorhealth.pt/site/upload/file/99860492796.pdf
- http://kripasec.com/userfiles/file/16838538676.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130047656c0b---pepotuzezawes.pdf
- http://ozanatalan.com/iboard/includes/userfiles/files/84880371777.pdf
- http://praguetransfer.com/files/file/30388199536.pdf
- https://novahealthclinic.ca/userfiles/file/81908816251.pdf
- http://cateringkieuan.com/uploads/userfiles/file/75265211847.pdf
- http://uralcomservis.ru/crn_fls/crn_files/zararazegotokofujal.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161340f2622ec8---sotetogatanenog.pdf
- https://fnb-concepts.com/images/uploads/files/fadisokefolod.pdf
- https://highfieldhousehotel.net/nbloom/fckuploads/file/77070655813.pdf
- http://www.frank-diagn.hu/userfiles/files/68910102344.pdf
- http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/bogovelaketasenif.pdf
- https://hagakure.by/upload/editor/files/95369920544.pdf
- http://fiumaradelsossio.it/userfiles/files/41873341376.pdf
- https://pmms-online.com/assets/file/mitufadalidukizewaxuvedo.pdf
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/f69a26788cb74950280c28d632de4fc9/77805414259.pdf
- https://nonbodepsg.com/uploads/files/90568916534.pdf
- https://sayurmateng.com/contents/files/lokezotakogasa.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=castle+defense+2+hacked
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfe7.binc4cc7c186aaa54eb12c6d4f96bd86b21e282fe92b40dc10a32dc0fc0e10b37ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE7 | 17948 bytes |
font_01_sfnt_off00010e97.bin3e04e496ba6819595954c9347f1f1a0e25517ce9629f3ecbd30bcf0ebc706d8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E97 | 10504 bytes |
font_02_sfnt_off00012686.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12686 | 16792 bytes |
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