MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://phutunggiahungoto.com/uploads/files/8354431302.pdf In PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161337898ca69a---14023170963.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613632ac6f7fc---lipuzilajimuv.pdfIn PDF document text
- https://bbu.vn/Images_upload/files/vibesijuwafama.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/vatenewegujulumix.pdfIn PDF document text
- http://arabstina.com/ckfinder/userfiles/files/pefeledowazu.pdfIn PDF document text
- http://bridgeonlaw.com/filespath/files/20210904035534.pdfIn PDF document text
- http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/67870746730.pdfIn PDF document text
- https://rosedreamholidayhomes.com/ckfinder/userfiles/files/giwudugufuma.pdfIn PDF document text
- http://cokhivietuc.webthoidai.com/img-vietuc/files/25251130446.pdfIn PDF document text
- https://itscebu.com/upload/file/20210902085005.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16139e67b27188---lotawobej.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/av8ls9hckqopue8222b5s9kak9/67865656223.pdfIn PDF document text
- http://lawngo.net/fckfiles/54305323194.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/baxudorodorufotikumoviz.pdfIn PDF document text
- http://nayyaralidada.com/alpha/ckfinder/userfiles/files/kolej.pdfIn PDF document text
- https://evermoral.hk/upload/file/1630835231.pdfIn PDF document text
- http://wwpokebar.com/uploads/files/dadejilude.pdfIn PDF document text
- http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85254121257.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/2083326276.pdfIn PDF document text
- http://woodbridgeabw.com/uploads/files/ganosezedavi.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/9024663490.pdfIn PDF document text
- http://www.ctmmaximoravenna.com/ckfinder/userfiles/files/49353182327.pdfIn PDF document text
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/19306323023.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=minecraft+pocket+edition+1.2+6.2+downloadPDF 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_off0000e00c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE00C | 11020 bytes |
SHA-256: 367b17806c7c0415ea9723d7c16ee4a6616622684228ee9037286482e7911c21 |
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font_01_sfnt_off0000f9ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11201 | 18700 bytes |
SHA-256: 88a53f2976d90abbb18ec55d6b06adca46d5f01ab9ca4147855e15de485aec9e |
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