MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute malicious content or conduct phishing. No scripts were extracted, and the document body was unreadable, but the heuristic firings strongly indicate a malicious intent to redirect users to untrusted external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://hoachathoanggia.com/userfiles/file/18934146552.pdf In PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409303aa148---40831941879.pdfIn PDF document text
- http://studiotecnicostradi.eu/userfiles/files/bununuruga.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/895h69ujuj6hqi3bb8a16ehr7m/67355793090.pdfIn PDF document text
- http://studiocalderini.it/userfiles/files/xafepajazan.pdfIn PDF document text
- http://trip-sale.ru/userfiles/file/56066290311.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/1ce62bbcbc91a0882b2ad4f2c38e59a3/283565092.pdfIn PDF document text
- http://hhsmelt.com/upload/files/xamadudami.pdfIn PDF document text
- https://butterfly-propertymanagement.com/userfiles/file/75211734203.pdfIn PDF document text
- http://sirindhorn.net/upload/File/pajuvanokokelelov.pdfIn PDF document text
- https://e-midas.ro/files/file/voxorodagivisej.pdfIn PDF document text
- http://landia-print.com/pdir/file/rowodunebexonumas.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/janoxefetunuzozem.pdfIn PDF document text
- https://mimpisiluman.com/contents/files/90407500712.pdfIn PDF document text
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/93558303965.pdfIn PDF document text
- http://dsagco.com/Upload/file/62500546001.pdfIn PDF document text
- http://bbu.vn/Images_upload/files/lupedudon.pdfIn PDF document text
- http://praxis-greve-polley.de/web/editor/files/xutisezivonasilotenilokam.pdfIn PDF document text
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/27188088492.pdfIn PDF document text
- http://wwstationery.com/files/file/9582022386.pdfIn PDF document text
- http://chalappuram.com/userfiles/file/13719853097.pdfIn PDF document text
- http://asremajazi.com/uploads/files/67559119901.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/62777022513.pdfIn PDF document text
- http://ecme.site/2015/vat/upload/files/mujepegozaxarikifakop.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=can+i+use+android+apps+on+windows+10PDF 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_off0000d838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD838 | 17332 bytes |
SHA-256: 588b27b46fc3ce10aac138820945a47a31d0a6176a4976d603723e31f59e79c2 |
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font_01_sfnt_off000104e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E0 | 10632 bytes |
SHA-256: 4182e7ca003e484d34e3d75e666124fa2bf10a8b6225ee2acc0bc9ffc4366bb2 |
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font_02_sfnt_off00011d65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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