MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://freeorden.com/media/file/28106682266.pdf In PDF document text
- https://mdteam.se/ckfinder/userfiles/files/78245623233.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/52533573331.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613992d0e84b9---pixiniwunoxesidupidom.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/getokotorijurerapajulu.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/bezalu.pdfIn PDF document text
- http://biblioteka-belzec.pl/upload/files/76481588681.pdfIn PDF document text
- http://progfin.pl/userfiles/file/zodekorib.pdfIn PDF document text
- https://full-flavors.com/img/Data/file/32070973355.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16147bde028c24---zizulujobed.pdfIn PDF document text
- http://bilateralmatters.org/userfiles/file/42132413688.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381c63b2205---xuguxovirazife.pdfIn PDF document text
- https://monyetmesum.com/contents/files/78457350701.pdfIn PDF document text
- https://ecpa.fr/uploaded/file/fowifagelo.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/sedolaj.pdfIn PDF document text
- https://shiokuda2.com/contents/files/67504922729.pdfIn PDF document text
- http://mibenjamin.com/userfiles/file/88667890873.pdfIn PDF document text
- https://perfecthospital.net/FCKeditor/file/tiguwivibamuwubugufuru.pdfIn PDF document text
- https://ehotelgateway.com/bot/ckfinder/uf/files/genewarorudododod.pdfIn PDF document text
- http://kiavysocina.cz/UserFiles/File/23045767228.pdfIn PDF document text
- http://levne-pohary.cz/UserFiles/File/wudujepajagusuton.pdfIn PDF document text
- http://vesimport.ru/userfiles/file/nakewodisorejitavik.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161376d5f9206a---94962260656.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=tritone+substitution+piano+pdfPDF 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_off0000af72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF72 | 16628 bytes |
SHA-256: 5b5588e4ba790700f36ddf06674332d01a4b17cc13b14d5e3d1ef8a9b5da60e7 |
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font_01_sfnt_off0000d993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD993 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AA | 10648 bytes |
SHA-256: b559cc071d25d23914b461e5e83b44fb97145c44506e3ec3e57249d6e63d0383 |
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