MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress uploads or disposable hosting, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://perksys.com/userfiles/file/34666152977.pdf In PDF document text
- http://www.awakohchang.com/image/upload/File/ujapegiva.pdfIn PDF document text
- http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/lesifigifopuperaxozunixaz.pdfIn PDF document text
- https://fajanav.com/aym_image/files/47349254605.pdfIn PDF document text
- http://anpharma.net/upload/files/99372096499.pdfIn PDF document text
- https://onecre.com/images/content/files/xudugigarijusir.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/eb41c343faa86fcba83929406e50310c/79714020229.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/70133707853.pdfIn PDF document text
- http://szjglaw.com/uploadfile/file/2021091805071173499.pdfIn PDF document text
- https://eurochen.com/UpFiles/WebEditorFiles/file/20336665051.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614076ed0132b---33139553823.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613075d6e24bc---vaxesaj.pdfIn PDF document text
- https://hamzsabegi60szallo.hu/UserFiles/File/61002562708.pdfIn PDF document text
- http://tornyanggrace.com/upload/file/ribavafabinivoropuba.pdfIn PDF document text
- http://kuppersbusch.hu/userfiles/files/47699743338.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/zowilinesodikabuw.pdfIn PDF document text
- https://sabagdasarov.ru/upload/file/koluribedu.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021091616261973499.pdfIn PDF document text
- http://antansconstructions.com/ckfinder/userfiles/files/97507076930.pdfIn PDF document text
- http://wami.cc/data/files/bavububuxoporeras.pdfIn PDF document text
- https://ihotel2b.com/upfiles/editor/files/puravutolabekupoleta.pdfIn PDF document text
- http://sitarofindiamd.com/userfiles/file/ritivivekipije.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/18mck2nqv356fs44207jrgfg6c/forisiposorawiranofaweb.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=schrodinger+atomic+model+descriptionPDF 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_off0000e30e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE30E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB25 | 11036 bytes |
SHA-256: 3ffc96d19486ce22a207c0e15805ca248a1d4a5e887d3cfe23b7f22b7ab1b15a |
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font_02_sfnt_off00011468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11468 | 18284 bytes |
SHA-256: d929fa23bd8f41d0d0dc142309d6d219c57eaaa8e5ade7adfc50986269f32c78 |
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