MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating it's a Pdf.Phishing.Trojan. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/iti9ikhlsaaeqc6i4fu9imf7gc/26652247766.pdf In PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160cb8a85df07a---mitatopegagajekiduxev.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/45bd3ec5ec5b651aaacaba1f10b39166/taxafibusiteme.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/vojatuk.pdfIn PDF document text
- https://hanahana.vn/media/ftp/file/83638424894.pdfIn PDF document text
- https://promise-land.com/upload/file/27260934846.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/467df3f30dcde604f73ca4e5cc8cc399/93293437552.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/valudekoto.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090fdb175978---setemo.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/q736jr9q8nclkd5mlfd888jpe7/zokog.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/20322314836.pdfIn PDF document text
- http://fondationmonetoile.org/clients/0/0e/0ecfe6182781ff486fe5156d2e85c11d/File/67880768709.pdfIn PDF document text
- https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/35985603391.pdfIn PDF document text
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/3f2e33ba2ff5fdc862e334b2eb42bb8c/43409313521.pdfIn PDF document text
- http://divodizain.ru/ckfinder/userfiles/files/xikexobuponopate.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d10c5ad08d---97798840854.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/2beeef78ada624aae0cf41d98e8abe2b/56578010196.pdfIn PDF document text
- https://hospvetcentral.pt/site/upload/file/kuwazi.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/4856196c00ed40378d8a3199c3570b04/wumepozizog.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f73b33215c4---kutalumaloxarunalemaf.pdfIn PDF document text
- http://cleanyachts.it/writable/public/userfiles/file/kiwubebamosidevigofuda.pdfIn PDF document text
- http://chpcentre.com/files/file/17681968286.pdfIn PDF document text
- http://ferrocom-spb.ru/userfiles/files/siraz.pdfIn PDF document text
- https://magatek.com/documents/file/xuwemumetiwutitefaxaxiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=the+chakra+system+anodea+judith+pdfPDF 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_off0000c491.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC491 | 16956 bytes |
SHA-256: cd43ac98de1bbc7f9862d5d4f772ace5205f367356c5abdfd532842f1c0893c3 |
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font_01_sfnt_off0000f05f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF05F | 11236 bytes |
SHA-256: 74e5fc26f852c4eb7545a80061d892ecb6c3492425e8110b64835361d9210edf |
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font_02_sfnt_off00010a93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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