MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Several URLs point to compromised CMS upload directories, suggesting a potential phishing or malware distribution vector. The document body is heavily obfuscated and contains no readable text, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://minhkygroup.com/luutru/files/7960380552.pdf In PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/kasagarosorewezepero.pdfIn PDF document text
- http://www.ez4parcel.net/upfile/files/2021/06/21/64843063810.pdfIn PDF document text
- https://protradingindia.net/userfiles/file/nekejafo.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1523702cd---xanetolizoxag.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/ngeqmnp8mpms7ql8r9r04rkdhm/78995088182.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/38004441776.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/lq9drqgi0edb8trg8mbksusltu/23242995976.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c72990dac67---fabisisomixesefe.pdfIn PDF document text
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c66badc80a---nabojalamunojo.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/sufesowobufamerivojap.pdfIn PDF document text
- http://tano-cable.com/d/files/dewosirisimam.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/9e808703a68aba97b643a136073aaa61/44735075140.pdfIn PDF document text
- http://kibbkw.com/uploads/file/5862825603.pdfIn PDF document text
- https://centrumschoolka.pl/photos/file/58786511521.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/jjsr6upo0viipu2gpr14k0gej3/47221318923.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160bb51fcbc91c---foduzuwerowo.pdfIn PDF document text
- http://fittbike.hu/files/file/puwopumogudi.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607119d45d2eb---woradez.pdfIn PDF document text
- http://cfh2.com/clients/d/d2/d2a7b52150a7a947468b52e9b7560e3c/File/64727590864.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ce46fc82238---jaxivufiluxat.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a045b13b8ec---fukomamepubenala.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/08f0a3e24b6a0ca1ac5f9b5edf35f4b7/86177115073.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+do+you+use+a+brewing+stand+in+minecraftPDF 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_off0000f38a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF38A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010ba1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA1 | 11204 bytes |
SHA-256: 12d530c8ed2c282c8e3e9fdc8d8fc813fe77e9c36053113f3451b1f952c3f727 |
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font_02_sfnt_off000125b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B1 | 17664 bytes |
SHA-256: d6b32d9ea01e5fcdf9aea54e29dc40073cfeb850c731f8b5d2cdd8fd2bfb5c96 |
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