MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, suggesting it functions as a link farm. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://wooshin.kr/uploaded/file/148801953160a5bff5f3668.pdf In PDF document text
- http://fukaofoods.tw/uploads/files/202108310401225129.pdfIn PDF document text
- http://hainfelderteich.at/zifabepotafusuzofidi.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/a1212c8c245bd9358c85e5b700ff1d27/25555576425.pdfIn PDF document text
- http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/vevupimepujefajitezan.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078014469245---8481340227.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/zudosajawinibuku.pdfIn PDF document text
- http://robalton.es/Albums/images/file///vaziniro.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a91171bb721---soxivufizos.pdfIn PDF document text
- https://sealordhotels.com/ckfinder/userfiles/files/9045401882.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c303247f27f---53218294264.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/fv5fc209kqsvpbq4qv7tan1t2b/teludixugij.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/gazumokax.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cff0afe419e---kuvupubejodukotug.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079cfdc9efdd---fuzoletepakava.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/bevugetatemizagij.pdfIn PDF document text
- https://pushtypathshala.com/demo/aims/files/images/files/zedebejaduva.pdfIn PDF document text
- http://aweibel.com/Photo/file/28989918458.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/kifomelawovetepa.pdfIn PDF document text
- http://pechati-piter.ru/userfiles/file/28863695473.pdfIn PDF document text
- http://shinies.ru/img/lib/file/74106260406.pdfIn PDF document text
- https://caror.hu/ckfinder/userfiles/files/14968308113.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/02aaa27514cd53f56476b7461663a987/5781621766.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/67722090026.pdfIn PDF document text
- http://sea-cruise.ru/ckfinder/userfiles/files/situmitujekuso.pdfIn PDF document text
- https://gotamsui.com/ck_imgs/files/53207080994.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/31ce2d4c945488a0c94abb528666b14b/62550743719.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=redigindo+a+senten%C3%A7a+c%C3%ADvel+elp%C3%ADdio+donizetti+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_off0000d9b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B0 | 20496 bytes |
SHA-256: bf3ec23fa3b7ba18f7b61892e3d59a2427d29be282a7ac886ec925cd5b0548ac |
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font_01_sfnt_off00010d24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D24 | 11128 bytes |
SHA-256: fa4e3ca8ca63bbd1d7c12911899a83c1b9cfe1355203b49f60aaa2ccad7e0f3b |
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font_02_sfnt_off000126c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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