MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as a phishing trojan and flagged by an ML classifier. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. While no executable scripts were found, the structure and URL patterns are indicative of a phishing or malware distribution lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://gayaarchi.com/userfiles/file/20210518204743.pdf In PDF document text
- https://daaeportrett.no/upload/file/kowugosebajesogibubuv.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/62711564085.pdfIn PDF document text
- http://telekommarketing.com/firme_data/files/xezijibot.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088b92152e66---4165159424.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/fajizomulediroboriruxex.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/vefedepawexosikiz.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/kopomasojimagutoget.pdfIn PDF document text
- https://rimi.sk/userfiles/file/19839489452.pdfIn PDF document text
- http://moristas.com/userfiles/files/99256634562.pdfIn PDF document text
- http://praguetransfer.com/files/file/runewuwezivimojafuvixib.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/noreresamijagulodekuwaf.pdfIn PDF document text
- http://bbdecontra.com/userfiles/files/dugexujimepidaxis.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f9ba42bf175---61848866755.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608296d554eab---fisapozoxodoxuzedugudawar.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612d1caccd321---65492437250.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d4bd083dc---33009056934.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/74790236598.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/4745647f2d78e1db2d537f21113dac97/12111322903.pdfIn PDF document text
- http://briarcliff68.com/clients/71184/File/33490523942.pdfIn PDF document text
- https://www.habitat-morvan.fr/ckfinder/userfiles/files/sagatotizefiwaxoxudogim.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/38683531816.pdfIn PDF document text
- https://graveyards-fuj.ae/userfiles/files/92406945998.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160751a57e588d---50331956037.pdfIn PDF document text
- http://usmleworkout.com/files/file/mefapifugitodazumipare.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/61730703764.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8bfe6b5954---18089942541.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=vollmacht+bank+vorlage+pdfPDF 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_off0000d5fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5FE | 17988 bytes |
SHA-256: e7d1c45921c7d582b8dfb50789db6a61f36e815b16238ae7ba6d6f198bab1fd9 |
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font_01_sfnt_off00010417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10417 | 11076 bytes |
SHA-256: 395022976f1d8abfec8273944dadc211131c03885708979e8aab766a4618dea8 |
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font_02_sfnt_off00011d5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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