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 or disposable hosting domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The file's structure and URL patterns are consistent with a malicious PDF used as a lure, potentially for spearphishing.
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 https://advance-pack.com/editor_upload/file/86310105725.pdf
- http://artkulinaria.pl/sites/default/files/file/renozarukuv.pdf
- http://chronocertif.com/userfiles/file/zerenivakulejes.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/05c71207e6903122d6c1505f991818f1/5868083263.pdf
- http://hide-bo.com/img/tmp/file/34336296294.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614169333bc89---20413324902.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161312bae0a79f---41984709435.pdf
- https://maximatrimony.com/ckfinder/userfiles/files/7807851978.pdf
- http://hycxchina.com/filespath/files/20210913044351.pdf
- http://mesterteto.hu/userfiles/file/fogujupobibakuxixi.pdf
- https://diarch.in/WYSIWYGImage/file/tufovipevobojeravatidetam.pdf
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wizelexun.pdf
- https://www.scmsgroup.org/ckfinder/userfiles/files/73433187985.pdf
- http://www.guus.edu.mn/ckfinder/userfiles/files/17846036671.pdf
- https://pediatricpotentialsnj.com/PP/PPpng/files/19763538825.pdf
- https://peiitw.com/Upload/ckeditor/files/79947668407.pdf
- http://taispacedesign.com/upload/files/nusomaxozajimokurizam.pdf
- http://asu78.ru/userfiles/file/zifojabetekenivo.pdf
- http://gwtcs.org/Content/uploads/files/58758902726.pdf
- http://dataprint.ie/uploads/file/naguzalisosukudikim.pdf
- https://pagodatalk.com/_UploadFile/Images/file/11672260943.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/m508kt4d8h5724fed4crgaaji6/26791400842.pdf
- https://jamisonfurnace.ca/userfiles/files/xefibizerulu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=the+bodyguard+whitney+houston+full+movie
- 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_off0000b333.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB333 | 16792 bytes |
font_01_sfnt_off0000cb45.bin52fdae625c3f85c43e4dbbd7bf068292ab7d39fd322cd5265f4ef2f6307675dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB45 | 15304 bytes |
font_02_sfnt_off0000f1ee.binca035bbb047203812c97ff725a835069f7e402a4e55e759e48129043d2cc8ac1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1EE | 11272 bytes |
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