MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to multiple PDF files hosted on compromised websites, a common tactic for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous unknown PDF URLs suggests a campaign to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://websbag.com/uploads/files/duduxomemulesuv.pdf In PDF document text
- http://romanasulcikova.cz/userfiles/towegopimopigimagat.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2ae3664ea---23027348209.pdfIn PDF document text
- http://assytekservizi.com/userfiles/files/lomobu.pdfIn PDF document text
- http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/51476723601.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/72a6e9f39b9ff972f486e0b2163ecbc3/68080557358.pdfIn PDF document text
- https://hongming-eco.com/userfiles/file/wajelubutaxatinelulamimor.pdfIn PDF document text
- http://huabulaw.com/uploadpic/2021-9/file/2021091320120873499.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/gitupubonojomip.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/22287691584.pdfIn PDF document text
- https://alixdemassy.fr/userfiles/file/gafizufuz.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/89933031302.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/vizevadujamawogovi.pdfIn PDF document text
- http://4seasonstours.in/userfiles/file/89731582498.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/13b2a7492debcb7ad607e7195f5057c9/zarerib.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16145263695055---gerifem.pdfIn PDF document text
- http://studiotecniconuti.it/userfiles/files/81466788548.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132efad544c8---muwekoragenarinupikalig.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/pejinojutozofowewa.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16139d3932ccc1---lurevimubutugopoxe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=social+effects+of+urbanisationPDF 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_off0000d5a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A5 | 10644 bytes |
SHA-256: 32b258d96f65534abdd4e5d870461288d1f9facf1f57ffa13a7c08b252a5c536 |
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font_01_sfnt_off0000ee17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE17 | 16948 bytes |
SHA-256: c5160226245814731f8aee11054e96e86b9180d9ac7c3d23a2eded4e94d274d7 |
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font_02_sfnt_off00011a1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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