MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier strongly indicates maliciousness, supported by multiple heuristics identifying the PDF as a link farm pointing to compromised WordPress sites and disposable hosting. The embedded URLs, such as 'https://nomylo.ru/uplcv?utm_term=craftsman+game+play+online+free', are likely used to redirect users to malicious content or phishing pages. No scripts were extracted, but the PDF structure itself is designed to host and distribute links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://nomylo.ru/uplcv?utm_term=craftsman+game+play+online+free PDF link annotation
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f46db07fd6---92546405870.pdfIn PDF document text
- https://mtydizayn.com/userfiles/file/fepefimugoxatuvopu.pdfIn PDF document text
- https://www.acta-mobilier.fr/ckfinder/userfiles/files/godikitugisabumubo.pdfIn PDF document text
- http://rbc-bezorgdiensten.nl/upload/pavaterisisumele.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/82f70bfbe239509eaa6cf6b3d7f46b9e/63362502946.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/53198600415.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/57958428303.pdfIn PDF document text
- http://max-metal.pl/gfx/file/xuwazomomikewab.pdfIn PDF document text
- http://odessawa.com/userfiles/file/60752840223.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139d30191b90---fipezojizivazuzikogu.pdfIn PDF document text
- https://www.sudoku-cool.com/ckfinder/userfiles/files/gosimire.pdfIn PDF document text
- http://stellarp.com/userfiles/file/xukamareku.pdfIn PDF document text
- http://customize.fr/fckeditor/editor/filemanager/connectors/php/img/Editor/file/nakovivitexipikafat.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/7893c2c07bbe917bc6adfa85aa40bf6c/41870364443.pdfIn PDF document text
- https://gymlesgeants.com/upload/editor/file/jodufukitarixali.pdfIn PDF document text
- http://dreamcatcherltd.com/userfiles/file/likotuxinoleripakujiwun.pdfIn PDF document text
- https://ntiverification.com/userfiles/file/vofanumuravagefo.pdfIn PDF document text
- http://hjhchem.com/upload/files/xoxulewusej.pdfIn PDF document text
- http://www.terresdescaraibes.fr/file/12659063736.pdfIn PDF document text
- http://rileyillustration.com/images/agency/files/kisowirivemelopew.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/6b98c9f16b4f1c7ce3fbebc5a0879370/96168099631.pdfIn PDF document text
- http://status-go.net/gfx/userfiles/files/gamijowosamofivisupex.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/f4vubibnn2k427e0mh0leecvr6/xoxod.pdfIn PDF document text
- http://nesemlak.com/test/images/uploads/files/mukel.pdfIn PDF document text
- https://phnews.ro/files/file/30440363113.pdfIn PDF document text
- 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_off0000dc5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF471 | 10844 bytes |
SHA-256: 66692d61e8ba1a7883e7b69dab65a86947d48f5621a7b51b5525f077ce0bccae |
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font_02_sfnt_off00010d7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7B | 17828 bytes |
SHA-256: b44399cbb7d51f73dce88bc3d470c0ab2e6e98e70367285247d2e827190b9740 |
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