MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. While no scripts were explicitly extracted, the PDF structure and link farm behavior are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 https://ketchas.ru/uplcv?utm_term=card+jitsu+codes PDF link annotation
- http://flirtproducties.nl/ckfinder/userfiles/files/48324555041.pdfIn PDF document text
- http://charivne.info/images/file/77391336255.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/cr52sjnh5157hdd2nrjej5mmt8/66341226516.pdfIn PDF document text
- https://mygoaltv.com/ipp/images/uploads/files/28373424427.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0fc47ce4a---kunusar.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/sazedu.pdfIn PDF document text
- http://pieseclimaauto.com/files/file/levokoz.pdfIn PDF document text
- http://bbdecontra.com/userfiles/files/bamuwutizasetetukabe.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///jubanowasupe.pdfIn PDF document text
- http://ebus.cn/up_file/file/68611477726.pdfIn PDF document text
- http://builderall.info/userfiles/file/rofokunomopaku.pdfIn PDF document text
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/bogotolelaxukujazefonuwon.pdfIn PDF document text
- http://erictex.com/ufiles/files/zukerobipaluremekewuso.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea30e0fed7---91038094998.pdfIn PDF document text
- http://hum-lucknow.org/test/fckeditor/file/wuvedes.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/21992598658.pdfIn PDF document text
- https://dailyiat.com/html_upload/file/jinejolo.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/zikarusowekegefezuzew.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/zudewa.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613269ac990ab---95394795033.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/fa3b168a154a32b34d01b69593ab1230/fitebumu.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/97175f48e4a744969c9f98f0c392a147/39081218709.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/19449798236.pdfIn PDF document text
- http://onlinecommerce.bg/uploads/pages/files/85197161268.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132bb792c667---gemevegawulojipimesiniwux.pdfIn PDF document text
- http://eko-baby.ru/userfiles/file/siwilaguded.pdfIn PDF document text
- 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_off0000b77d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB77D | 10476 bytes |
SHA-256: cf3181e04355a61b48531cf8696ea9ed41f08a960ef9e9f1daeaf2ff4245bb95 |
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font_01_sfnt_off0000cf6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e77e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77E | 16716 bytes |
SHA-256: ca6e6997d44852c76c6b0399ff54793b8643b6c17b2783f3e6cdb357493a14a7 |
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