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 or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier strongly indicated maliciousness, and the heuristics confirm the presence of a link farm and compromised CMS uploads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://philabc.ru/uplcv?utm_term=will+an+android+charger+work+on+a+ps4+controller PDF link annotation
- http://vinhthuan.asia/upload/files/juded.pdfIn PDF document text
- https://mosconi.net/userfiles/file/56767671146.pdfIn PDF document text
- http://studiomarazzi.eu/userfiles/files/44680972404.pdfIn PDF document text
- https://oykufestivali.com/ckfinder/userfiles/files/dupezitowevopewibakawetuw.pdfIn PDF document text
- http://celyroknaterase.sk/editor_uploads/system/files/lewavabogavi.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613a180a1df6a---migoj.pdfIn PDF document text
- http://mastervgtour.by/var/upload/file/febofowi.pdfIn PDF document text
- http://tischtennis-kiel.de/images/file/bajog.pdfIn PDF document text
- https://cepatdaftargroup2.com/contents/files/lugaremagepu.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161371d040df51---warogesebekelurozapofizof.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/puxorevamasotokopi.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161476d9a4ef0d---papusujurosozedu.pdfIn PDF document text
- https://dbhattacharjee.com/ckfinder/userfiles/files/96696734641.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbf3a60db2---baxurojivavovotegolu.pdfIn PDF document text
- http://geodeslaboratori.eu/userfiles/files/tupefilufasidifamekixutef.pdfIn PDF document text
- http://gameometria.com/assets/ckfinder/core/connector/php/uploads/files/97447661564.pdfIn PDF document text
- https://hung168.tw/UserFiles/files/50828810085.pdfIn PDF document text
- http://gelikonline.ru/content/Files/97017298177.pdfIn PDF document text
- http://livelyway.com/ckfinder/userfiles/files/67933200519.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614b9a8ef1488---29831187219.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/d3d8692bd2d24ce22183f13298ea1897/tokufex.pdfIn PDF document text
- http://nwatchonline.org/userfiles/file/96035244590.pdfIn PDF document text
- https://mldom.xyz/web/img/podborky/files/74634417426.pdfIn PDF document text
- http://nofatrans-int.com/userfiles/file/27988600377.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148d37808665---18687314129.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_off0000c91b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC91B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e12d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE12D | 17268 bytes |
SHA-256: c68989ab8903ae08097aef3e145b8015f29002af2486afb28f42ba895f05983d |
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font_02_sfnt_off00010deb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DEB | 11044 bytes |
SHA-256: de0c82b8874c522c33fcfea0b508dfbf2c1d28fb9e97ffe0de08971591b77145 |
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