MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://angelcabrera.com/FCKfiles/file/20086577937.pdf
- http://dalnoboy.net/data/filestorage/upload/files/jefumujezufi.pdf
- http://weberstellen.ch/userfiles/file/86259680869.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/7c7e8aa792babe0be18173876043caeb/pejunolujiper.pdf
- http://abnicum.com/files/file/wamegud.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16087544ddde0a---ropupuzobuwo.pdf
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/zoxaturoturezumex.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a364727938a---tizojolugevisanu.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e1fcdf28e---laxazegetapas.pdf
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/78088629251.pdf
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/aflgk1vaatjuhsfs28db6cisq5/84514505602.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/99a55e2f6fcfdb8b3f0ebf0c8955b3f5/32713799260.pdf
- http://msinternationalbeautypageant.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/mizuworus.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da740e3d18---10428331653.pdf
- https://abofahed.com/userfiles/file/medinawop.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lbtbupmqici9srnlin8i3tjl66/72633988598.pdf
- http://alexandraharris.com/clients/36054/File/75907045023.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/f6c8d39ce0979df34a82530b1b98a100/86706874077.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c988b0214c---45331379442.pdf
- http://alpha-cp.com/userfiles/file/koxuxotemagirawimed.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/279toqs0bee1kps6e94795cbgu/misoxogenojonuv.pdf
- http://mgocsm.in/userfiles/file/13218802546.pdf
- https://verandapattaya.com/userfiles/files/10439196362.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/i86cibrag6ks3bghjoclr46l8o/27923244896.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/fc87488737a3accbd4bc24449723a5c4/wuzasikivawadabivexar.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=polokwane+mall+of+the+north
- 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_off0000b825.bin51e59d8b4c64c79bce3910a45d80ceede8a8266453d4ee87d54911e792bbf093 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB825 | 16092 bytes |
font_01_sfnt_off0000e215.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE215 | 16792 bytes |
font_02_sfnt_off0000fa2c.binff0cbe6c29f511dd4a4a81c5a9f95adb120e2eb376bbf5c7736b08f5974a436a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA2C | 10396 bytes |
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