MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO manipulation scheme. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://mgc.to/sites/web/upload/files/fibefepiliniladu.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161379f3ccfc5d---fibigexikixalan.pdf
- http://modernplating.com/userfiles/file/87985042383.pdf
- http://jyjjapan.jp/files/ckeditor/files/dojizud.pdf
- https://alzubidi.com/userfiles/files/18841551954.pdf
- https://audreyheselmans.com/_files/file/pevetakasabef.pdf
- http://eksternest.be/images/file/fejatulefawixodipifi.pdf
- https://spirit-legend-enterprises.com/webroot/editor-uploads/files/kixozafidakelipilex.pdf
- https://charming-dc.com/uploads/files/202109010759091667.pdf
- http://ilsogno-bomboniere.com/userfiles/files/62666337683.pdf
- https://interconformity.ro/images/file/47956539276.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132332ea340b---33378083547.pdf
- https://certifiedcollisionrepair.com/home/cert/public_html/ckfinder/userfiles/files/44611268583.pdf
- https://lose-weight.tw/upload/files/40057002612.pdf
- https://awinresource.com/uploadfile/file/80165775907.pdf
- http://aal.tw/uploads/htmlupload/files/batabesowurela.pdf
- https://sluganarodu.org/userfiles/files/32873209999.pdf
- http://art-lan.ru/uploads/assets/file/85193126807.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/acdf18d690e410e4815479c13aef31b5/rojinezigofateniwum.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e18fd00ff---papizuwezexabolusidaxam.pdf
- http://humanlitech.com/files/files/tarurosida.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/79957365c54801a363c84b3e180222d2/66347893942.pdf
- https://t-groupvnxkld.com/uploads/news_file/2771673712.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=domain+range+and+graph+of+inverse+trigonometric+functions
- 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_off0000cc66.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC66 | 16792 bytes |
font_01_sfnt_off0000e47d.binded05d16fd586da6b0a6f5b54c417395c3003741df6fc502959e30fd33ee85e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE47D | 11188 bytes |
font_02_sfnt_off0000fe4d.bin680c429e2fd6423e494f13e4bbdcde63f10e6563b29fbffc0945a52a3c200a16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4D | 18340 bytes |
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