MALICIOUS
96
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 sites, suggesting a tactic to leverage these sites for hosting or redirecting malicious content. The ML classifier strongly indicated maliciousness, and the heuristic firings confirm the presence of external links and a link farm structure. No scripts were extracted, but the primary attack pattern appears to be directing users to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://botosani.ro/img/uploads/file/wolekerumoxewajexagemika.pdf In PDF document text
- https://hitourkorea.com/FileData/ckfinder/files/20210714_3A622671E373C96C.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/putes.pdfIn PDF document text
- https://casabresciani.it/uploads/file/70813258056.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070448a55e0b---94972193653.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/dakojivu.pdfIn PDF document text
- https://toskov-yordanov.com/userfiles/file/40824549236.pdfIn PDF document text
- http://angelescare.com/userfiles/file/89249669581.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/67586829445.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/21fa2c8eefb54d4b351b6c09ea62e678/19820024486.pdfIn PDF document text
- http://cableesmaltado.com/d/files/87418211806.pdfIn PDF document text
- http://haiqi-machine.com/d/files/lilix.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/lq4hlqfn63up3o91fr1vgp3hph/vuvafetuforale.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d21f4a8a0b5---wudolikurozetubewudenele.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/4f77lnqnoouis29l0qn1d5902r/geletinesadevixaf.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c982bb2b9---muzenunekudo.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/85440943012.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/l79vufkv49fbimhj68g3h01t06/34926697537.pdfIn PDF document text
- http://nacyc.jp/Upload/file/22666010908.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fccff259762---69198395163.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610e45ff4b999---pikubowo.pdfIn PDF document text
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/675c7e0b4761ac6b36ca7b0178754785/70727135037.pdfIn PDF document text
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/rjlmunh7vr5t8ce3uiho5gbjf6/xinimonivowu.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161286f3317c3c---73566292995.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=anbar+awakening+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_off0000d9d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E4 | 17692 bytes |
SHA-256: 53814129f285387897277c1781bd41fb96eafa7d02b0cc42fb471841a7b16afa |
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font_02_sfnt_off00011f95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F95 | 10540 bytes |
SHA-256: 6e48429d928f258e9e9a069e770fd7e59e7d3bbdf868f07b77929a01d5108811 |
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