MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links, many pointing to websites utilizing CMS upload functionalities, suggesting a link farm designed to host or redirect to malicious content. The presence of 'utm_term' parameters in some URLs further supports a phishing or spamming campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://creativeindustries.ru/uploads/userfiles/file/8950529453.pdf In PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086f9d49fe05---16826574476.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/7424880f5dd90f4f3ddc0f177cb91634/65601445668.pdfIn PDF document text
- https://edgecs.com/documents/dosabowugivom.pdfIn PDF document text
- http://chrislahoda.ca/userfiles/file/jirejozo.pdfIn PDF document text
- http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/daxanekatifemotaru.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/d0dmifdgdcasjsslic95e9mpl2/89262062410.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607280c20e7a9---tuvogokupasufonojik.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611baf6179d10---63191318864.pdfIn PDF document text
- http://veterinariacasettamattei.it/userfiles/files/20773233486.pdfIn PDF document text
- http://de.ruben.pl/ckfinder/userfiles/files/54282901673.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7776f8e8e91bf6a245f819829d2fcf73/57851749349.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e22057483---62779360749.pdfIn PDF document text
- https://sangolongphuong.vn/longphuong/news/files/soniwi.pdfIn PDF document text
- http://stonebreaker.at/20907663763.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/31296446653.pdfIn PDF document text
- http://dabbleanddesign.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/zagegetujisabepunesesimiv.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/laxasirunurawigubozoxozo.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609d67e68969c---maxulekosuzo.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ab4caa37026---54427175852.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b46db65b1ae---17929274656.pdfIn PDF document text
- http://1960vonsteuben.com/clients/d/df/dfb5e1b83ea85bfdc5ef1da934264264/File/jijoxisa.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/3493219725ce892ef96694a3684d0f2d/xikefadefad.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/3de517bd3576710d4d255b2590aaa7d8/59077671793.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/74235482976.pdfIn PDF document text
- https://alteanetworks.fr/img/file/kapagobomo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=isi+ruu+kuhp+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_off00010649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10649 | 17584 bytes |
SHA-256: 9dd168279100785eec9870e3b6731a53469acfa65c618492b4ec17b9656ba2c8 |
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font_01_sfnt_off00013374.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13374 | 10076 bytes |
SHA-256: 152197ea9fee0635c430a8b41693a75a8df9d8475a79983b8a0139462771456c |
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font_02_sfnt_off000149f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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