MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites, specifically targeting WordPress upload directories. These links host other PDF files, suggesting a multi-stage download or phishing campaign. The ML classifier strongly indicates malicious intent, and the presence of a link farm on disposable hosting further supports this. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 5
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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://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea4258087e---vujerimerogogojitanumejo.pdf In PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606caa717e1ec---wifoma.pdfIn PDF document text
- http://almar-bus.pl/userfiles/file/tutebig.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/suxedefuletamowin.pdfIn PDF document text
- http://garantc.ru/userfiles/file/fagitifowelerojevuv.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/ribulafe.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7f1c9d473---15281761781.pdfIn PDF document text
- http://favorit.pl/userfiles/file/vakewirawefe.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16103c689ce18d---wasirokowofosu.pdfIn PDF document text
- http://jtour.vn/userfiles/file/zasafuve.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/42402069314.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/40368156086.pdfIn PDF document text
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/93632797151.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/ud78vu7rg60mlqb3bd1o8u0hgp/35292481251.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3472edb010---deburuvugobe.pdfIn PDF document text
- http://gildiamasterov.ru/userfiles/file/wutuxurefujedeleriwube.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/37156756732.pdfIn PDF document text
- https://iguanapools.com.au/wp-content/plugins/super-forms/uploads/php/files/gu3uin9cqpmolb1128uea46m2a/kopaxawuwojopip.pdfIn PDF document text
- https://esvigo.com/upload/files/leviwuvapuzuduxuneji.pdfIn PDF document text
- http://arci-mp.fr/admin/File/89169404264.pdfIn PDF document text
- http://martonelektro.hu/files/file/vugezesalinidemuzudidib.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/576d7186973ff99ec776a578fca769ac/kewepinobon.pdfIn PDF document text
- https://adian.eus/files/galeria/files/vurinakexuvipuwevepodevax.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=sample+rental+lease+agreement+pdfPDF link annotation
- https://rt9.rspo.org/ckfinder/userfiles/files/gilujelogowifomafogiwinog.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_off00012b69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B69 | 10704 bytes |
SHA-256: 372719f73004f8b2fb562a7591c83a88acce57aa22eadce0853996ab239501a6 |
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font_01_sfnt_off000143bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015bcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BCF | 19208 bytes |
SHA-256: f1492661e678a33566df5ae03bd5db9aa27caebc23f10e42472f10e6b5ce370b |
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