MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to other PDF files hosted on compromised or disposable domains, 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 0.9975
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://vidaleve.ind.br/ckfinder/userfiles/files/xifexalinulexobavigada.pdf In PDF document text
- https://yocarbroker.com/upload/ckfinder/files/31072928672.pdfIn PDF document text
- http://dieukhactransam.com/uploads/files/29815331956.pdfIn PDF document text
- http://tafgambiatours.com/userfiles/file/tiwubafoz.pdfIn PDF document text
- https://unovosti.tv/ckfinder/userfiles/files/71950664059.pdfIn PDF document text
- https://www.amata.org.uk/ckfinder/userfiles/files/1452754354.pdfIn PDF document text
- https://kaptenhoki.net/contents/files/97273125960.pdfIn PDF document text
- http://lavalnerina.it/userfiles/file/bogezerutigifop.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161417f66d55cd---15520875368.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/wevelugomepopog.pdfIn PDF document text
- https://www.tunnel.de/files/uploaded/file/dodigokus.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/didimatenulovefixebav.pdfIn PDF document text
- http://besttailor.info/ckfinder/userfiles/files/42680164987.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/ca7057453f22ff983f499f01982cfcaf/burogo.pdfIn PDF document text
- http://kpdb.org/userfiles/files/26812068706.pdfIn PDF document text
- http://elpijisystem.com/file/10118101902.pdfIn PDF document text
- http://christopherspubandgrille.com/userfiles/files/janosalokiletefare.pdfIn PDF document text
- https://angelsforwarriors.org/userfiles/files/93959453680.pdfIn PDF document text
- http://caytrong.vn/Images_upload/files/46365663304.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/ae2736ee48f30a489eef83040e7063f1/wuvekenebolajemug.pdfIn PDF document text
- https://matkinhantai.com/luutru/files/saxoleketetasa.pdfIn PDF document text
- https://qian-ho.com/upfiles/editor/files/61699532140.pdfIn PDF document text
- http://www.multigacos.com/admin/uploaded/fck/file/17333390556.pdfIn PDF document text
- http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/naxowarajabewo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=apex+legends+battle+royale+apkPDF 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_off0000b169.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB169 | 10904 bytes |
SHA-256: 4aa474e44305645d4c8fd1171019b715a5e8d22cd83eac08e5a629dd91a83972 |
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font_01_sfnt_off0000ca76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA76 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e288.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE288 | 15016 bytes |
SHA-256: f81341dcea96055f0b3904daec8368623ec922260aeb9d8cb98d5f4bd46a4809 |
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