MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous URLs, many hosted on compromised WordPress sites and disposable domains, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier also strongly flagged this PDF as malicious. The embedded URLs are likely used to redirect users to malicious sites or for SEO spam, rather than delivering a direct payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://saluteebenesseresas.it/userfiles/files/difiwefilu.pdf In PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/3d024a0bb5372b802c16c43ede730063/89844507767.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/261e870a51288432c7b703dd73fc7ab9/gegovagexus.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/1c539e5c4e902544fa00193f2c33c226/jaxinukin.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/28789101740.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/21541122296.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/ca69cc5572dd14825380a90d4ccd09f9/mutewukefibo.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/fimuvobesorovovugemamariv.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/af1655daecf5ce6d46ad327856c72776/makusiduf.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/89346602234.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607885d8cb443---gexabilokovijovi.pdfIn PDF document text
- http://pensionpoint.cz/userfiles/files/45921175161.pdfIn PDF document text
- http://medicaldistri.com/ckfinder_files/files/40909805624.pdfIn PDF document text
- http://erodiertechnik-wenzel.de/userfiles/file/74623468395.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/a3fcde80fb620f6d520a3ee20c79ad3f/norutup.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/5459e1ec0d9a0d44d527c1537b58bed9/lufife.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/37700335893.pdfIn PDF document text
- http://bmsorganica.com/userfiles/file/ruzimamuxupunejexeguzo.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d63557d1487---89147290131.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6f679c12a---pefatijizuwo.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/73352e59431eaebd074b15de007b141d/gaminunukazexazusiruxojul.pdfIn PDF document text
- http://vncdata.net/app/webroot/uploads/files/49522458029.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad616001311---93365731942.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/e3fc52aa64b759864ce510ba40cbef4e/posaguvumotob.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d01a1ac80d5---16105890648.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=breast+pump+manual+targetPDF 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_off0000e2c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C8 | 10536 bytes |
SHA-256: edaf9bb77ef7ff9ca8d6755174ea07c0abfda5f086faa2a56fb4d3fdb7346617 |
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font_01_sfnt_off0000fad5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000112e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E7 | 18268 bytes |
SHA-256: dc2b986d2668616f52d086779110428ed4e2612dbae5e16ecbde2278be71b607 |
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