MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded links indicate it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://coretry.ru/uplcv?utm_term=enterprise+corporate+jobs
- https://ctcitsupport.com/media/files/tawuramefojaboso.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/95a8b65dad24369162520cd73a26c0d7/sepamipoxonemevupumedeba.pdf
- https://hanurichurch.org/ckfinder/userfiles/files/kixux.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/acb9144c9ff19b521a42def249684cb6/4225431660.pdf
- http://wawabed.pl/uploads/userfiles/file/68190606407.pdf
- https://prestinireedcorp.com/userfiles/files/23426458189.pdf
- http://bibrka-school.org.ua/ckfinder/userfiles/files/dizulifirunodil.pdf
- http://rayer.cn/d/files/jezumijodo.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/161335fe3828da---fupetivisixedar.pdf
- https://shreenatharcade.com/userfiles/file/20325883281.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f609d1514d---46672309589.pdf
- http://airelimpio.mx/img/editor/file/voweraduko.pdf
- http://nsk-nalogov.net/upload/files/kojofodud.pdf
- https://watosaphotography.com/app/webroot/userfiles/files/20210917_200801.pdf
- http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/wijejilunifatiguk.pdf
- https://ourlady-schools2.com/userfiles/files/89756365653.pdf
- http://aaronandanthony.com/userfiles/files/48026332603.pdf
- http://sosnovgeo.ru/userfiles/file/momojama.pdf
- http://35ju.21tg.cn/uploadfile/ckeditor/files/debifulok.pdf
- http://firmykominkowe.pl/Obrazki/edytor/file/46122219694.pdf
- https://kisikana.hr/userfiles/file/rijasagigujafosobizopadi.pdf
- http://rracc.com/file_media/file_image/file/fuzafurepaburunilabofe.pdf
- http://saxonrt.hu/img/userfiles/files/befewisibalalero.pdf
- http://citygclub.com/ckupload/files/zotetekigumulebugo.pdf
- https://hanyauntuktesting.com/contents/files/nizagivuxabitabixugu.pdf
- 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_off0000b1b4.bin268b22810feae23be51b52817b9d68b295a659fcfab211e3d9e3e8ad1f3155a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B4 | 16576 bytes |
font_01_sfnt_off0000dc56.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC56 | 16792 bytes |
font_02_sfnt_off0000f46d.binac5ebcc1aad6d086530e62d53b9294401219745e4822ae4b15afb1011166a478 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF46D | 10572 bytes |
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