MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, are the primary indicators of compromise, likely leading to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://geojeoceanhotel.com/userfiles/file/20210902021133.pdf In PDF document text
- https://art-lamps-rali.eu/files/file/53738258236.pdfIn PDF document text
- http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/24940092360.pdfIn PDF document text
- https://cosmopolitanhotel.lastrada.bg/uploads/wysiwyg/files/muvunexoj.pdfIn PDF document text
- https://champion-osk.pl/userfiles/file/45602423975.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/luvesodemawotejekerevogi.pdfIn PDF document text
- https://toyotaautobody.com/ckfinder/userfiles/files/bibotaripasuboluwodi.pdfIn PDF document text
- http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85347160209.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/gakinobolebozosilefa.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134289d3508f---vaputel.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/47e48bef3c838e2f1ac3ba39f125a8e3/kawubatajokowowibuvup.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/86578815168.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1612eee21cde8f---bunivat.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-7/20210907195418309819.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/14912338342.pdfIn PDF document text
- https://confidence-ist.mktechsol.com/ckfinder/userfiles/files/notomopamaxo.pdfIn PDF document text
- https://peptidturkiye.com/ckfinder/userfiles/files/muvedupetupug.pdfIn PDF document text
- http://hycxchina.com/filespath/files/20210902172924.pdfIn PDF document text
- https://fibra-optica.ro/ckfinder/userfiles/files/34356627435.pdfIn PDF document text
- http://15881588.com/ckupload/files/lanozidojokelu.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021091022373044.pdfIn PDF document text
- http://synphabase.ch/upload/file/81807112518.pdfIn PDF document text
- http://thoitrangvabaoho.com/Images_upload/files/tewuzafenurusumumitopofuj.pdfIn PDF document text
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/zinofule.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=supernatural+season+6+episode+1PDF 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_off0000ca4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA4A | 16680 bytes |
SHA-256: f2c0d9c19c2195e974f78b97294829c6d8708daeab642fc380b525d2f21dab94 |
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font_01_sfnt_off0000f499.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF499 | 10780 bytes |
SHA-256: ba7bcf0ee718d1117c0bc7468cc8661587ef1d5c2a8a14daa50ce2cd51dfa14a |
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font_02_sfnt_off00010d88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D88 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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