MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting. The ML classifier strongly indicated maliciousness, and the PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic confirms that some links lead to malicious upload storage. This suggests the document is designed to lure users to potentially harmful sites, likely as part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://bahamianbrewery.com/ckfinder/userfiles/files/59105920191.pdf In PDF document text
- http://bellamy.tw/uploads/files/202109092312091596.pdfIn PDF document text
- https://magicdiscoradio.com/userfiles/file/dumoxuxuzamivemalab.pdfIn PDF document text
- http://vibrator4you.cz/UserFiles/File/fakegetubew.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/b417ce4a5fa92fab8170b0d798d23603/wevilenoluvesab.pdfIn PDF document text
- http://unicaconsultoriarh.com/images/files/10580057906.pdfIn PDF document text
- https://netpage.info/userfiles/file/vujikiri.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/pivepesiguvek.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16137bc77c4030---lutezezun.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/70997e7b5fdc4c1a23861fe8f57c7d09/tazuzo.pdfIn PDF document text
- http://dubilex.com/userfiles/files/19332248631.pdfIn PDF document text
- http://malabarisproducoes.com/arquivos/files/novuf.pdfIn PDF document text
- http://miroslaws.com/ckfinder/userfiles/files/29355217643.pdfIn PDF document text
- http://ttccid.com/userfiles/file/97197610920.pdfIn PDF document text
- http://kelvista.lt/images/files/19375734486.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614389bb13a73---lugejuxomap.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161450cb34c44b---53548796996.pdfIn PDF document text
- http://chingyi.tw/userfiles/files/bisurisomajofeledoterejuv.pdfIn PDF document text
- https://cplastik.eu/data/cms/file/58016701303.pdfIn PDF document text
- https://ms02bet.net/contents/files/rutugodatapaseranimuv.pdfIn PDF document text
- http://techbis.pl/files/file/40359623446.pdfIn PDF document text
- http://fuyu.010bi.com/ckfinder/userfiles/files/16928373049.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=warhammer+40k+9th+edition+codex+pdfPDF 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_off0001150f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1150F | 11224 bytes |
SHA-256: 5e307548415133bacbac11f4d293842c84c4eb822c161f37727b006572b30afa |
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font_01_sfnt_off00012f39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F39 | 18912 bytes |
SHA-256: 8212982b1e60f636891e3c24fe2e1e95d042164174619677ab2192d224b3ad6a |
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font_02_sfnt_off000160b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x160B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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