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 links pointing to compromised WordPress sites and other domains, suggesting it functions as a link farm. The embedded URLs are likely used to redirect users to malicious or phishing content, potentially for SEO manipulation or to host further stages of an attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 https://stka.gr/ckfinder/userfiles/files/92185700094.pdf In PDF document text
- http://pusancard.com/userData/board/file/96513829136.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0820aadd1---sedog.pdfIn PDF document text
- http://www.scsi.coop/wp-content/plugins/super-forms/uploads/php/files/adea57952584c995e98079f49c567284/lofemikisetedesufevuxo.pdfIn PDF document text
- https://ssvacancy.com/ckfinder/userfiles/files/porakidozoxo.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/nefatavunevezevofivumafev.pdfIn PDF document text
- https://takitech.hu/userfiles/file/sevava.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8742cca745---50898017472.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/56ni4n41mfjcn2181tfou978j3/89595869840.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/74211949401.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8e3d66fe2---13753963060.pdfIn PDF document text
- http://innova-perila.ru/upload/files/fazitoragusekukudizozok.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/92554553120.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/2d4bc2d1ab3348aa1189a785e9bdd250/41776371217.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610949d818ab1---39372157080.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/aa62932831c959febd986f7fd9aeb221/9126108142.pdfIn PDF document text
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/mlmt1fospbspduh306i783kumm/68064655270.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/mt0s0j83trvldtu3cleum6hu30/xagubilapazobaxaxopoka.pdfIn PDF document text
- https://profesa.net/userFilesfile/maruvemedisomevofa.pdfIn PDF document text
- http://hurtowniagrafit.pl/userfiles/file/29809777646.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609af855342ff---53200296286.pdfIn PDF document text
- http://ymmicro.com/files/files/95559635693.pdfIn PDF document text
- https://tiklatakip.com/calisma2/files/uploads/85088674094.pdfIn PDF document text
- http://desertofohio.net/clients/4/43/43f38f6e2239b09326489e1ba67fa1b6/File/ratunosaxobovatufiti.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/8fdecb943028110f26260fcf1428ce36/vurotugefimeda.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=schema+installation+chauffage+central+fuelPDF 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_off0000ebd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD5 | 18380 bytes |
SHA-256: 54b71550fc2813918fe4d2941954a33a983eedc21f85a85ee03c3680054def05 |
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font_01_sfnt_off000119b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119B8 | 10960 bytes |
SHA-256: a5212385873b63c0b9174949ac5d86f753c427beb6587264289b9fc16ddc98b5 |
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font_02_sfnt_off000132f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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