MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs pointing to potentially compromised WordPress sites and disposable hosting, indicating a phishing or redirection attempt. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.toptehnik.si/images/68164135342.pdf In PDF document text
- http://ahkjt.com/upfile/file/pagolube.pdfIn PDF document text
- http://www.addvanceo.info/userfiles/files/tiwanisozijusura.pdfIn PDF document text
- http://2440027.ru/upload/file/godijavamedi.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/df04d228e24415f40e0caaa98ea7c4fb/82734406327.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/5d8805ca6ac893680766ce94610948f0/60601582116.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/ee57231b16c9713bbaa89165511c0c2e/859607722.pdfIn PDF document text
- http://pallenberg-busreisen.de/uploads/files/57453284936.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/22064851181.pdfIn PDF document text
- http://akwarella.pl/user_uploads/file/bomulokiwikurepodokux.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/19rvvt3kkkahlst6bbb8dci8sm/resodo.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160896b272f36b---76631332294.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/tijodidazawomoguwajivag.pdfIn PDF document text
- http://jarosi.hu/files/file/6831549354.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/xadimumajav.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/e737f4c227139b9261ddcc3d5d498c5a/30444540179.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/nefexujeg.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/53753496890.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/6svfk3muk61886n7aobp5uf0g9/13578612185.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/dapekokuzip.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecc6ea8152---17529791330.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4f9d44540---dufexarifelig.pdfIn PDF document text
- http://gildiamasterov.ru/userfiles/file/47551018856.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=break+pdf+into+pages+freePDF 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_off0000fa18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA18 | 17748 bytes |
SHA-256: a08029364f7e3812e68af80de8b34c4d51c0abe459556f3124e3f31db07e06a7 |
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font_01_sfnt_off0001283c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1283C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14053 | 10772 bytes |
SHA-256: be50907c2776d51414ef5c2b5fe6ed9335d2bd2236ae7c8aa6cecfc84842e7ef |
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