MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of 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 structure aligns with techniques used to obscure malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://dreiseengrundschule.de/files/67856724625.pdf In PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f372df17c4---rusobiwamodozofaj.pdfIn PDF document text
- http://boldogelet.hu/media/lirijajosir.pdfIn PDF document text
- http://rucodelniza.ru/userfiles/file/gavisetawolarekoxofagu.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611aca4edeb36---pegerifobupot.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607de5c9d97e5---16343370977.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f14ab0e418---bezekudapifoxulani.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/kugakegi.pdfIn PDF document text
- https://trunglamdecor.com/uploads/userfiles/file/67720773150.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b5bb054f5dd---9865581210.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/18392916356.pdfIn PDF document text
- http://1959blackshirts.com/clients/866684/File/86176316994.pdfIn PDF document text
- http://kipia-nn.ru/userfiles/file/dazexikimom.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ae101b54263---fumimugumozitizuki.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1611eca1c11335---90242155662.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608b48e3b4270---pobesubojawatexulepen.pdfIn PDF document text
- https://xn--interpeas-r6a.es/upload/files/63531721191.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bb0ec4c9d---75837366615.pdfIn PDF document text
- https://linardi.ru/files/file/28917122920.pdfIn PDF document text
- http://grawerlik.pl/userfiles/file/97398163027.pdfIn PDF document text
- http://josepholszowka.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fazoxifafipifefexejej.pdfIn PDF document text
- http://www.instalacionescueto.com/nueva/ckfinder/userfiles/files/93037893044.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=3rd+book+throne+of+glassPDF 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_off0000bfd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFD4 | 17340 bytes |
SHA-256: e2a5e9c5f2b47fc399e611097a883e6ee937d21e6977c11a1c1622375e9b413c |
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font_01_sfnt_off0000ed41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED41 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010558.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10558 | 10848 bytes |
SHA-256: 8590899d50b63a42ede3787448709616cfdba7ecb49f29d15828bb2d1c684278 |
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