MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised CMS uploads and disposable hosting domains, indicating a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the extensive use of external links suggests a potential for downloading further payloads or leading users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://pistant.ru/uplcv?utm_term=poco+x3+pro+8gb+antutu+score PDF link annotation
- http://getem.pl/files/file/63808733508.pdfIn PDF document text
- https://akonis.ch/userfiles/files/wezowudabonelamuzadul.pdfIn PDF document text
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/88773430500.pdfIn PDF document text
- https://korzayithalat.com/spot/admin/fckeditor/userfiles/file/nulinudogujuvevot.pdfIn PDF document text
- https://izometal.net/mm/file/12947927931.pdfIn PDF document text
- http://beautifulmoda.com/userfiles/files/difusotisukemetafulofixox.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/ca020abaf87eff775f5069c972b726d8/muxipeg.pdfIn PDF document text
- http://oio.cn/uploadfiles/files/ligoluduxubifosole.pdfIn PDF document text
- http://khmim.com/ckfinder/userfiles/files/38369968309.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/mawavoranaf.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/15170021485.pdfIn PDF document text
- http://karmakonnect.org/DrumiBhatt/karmakonnect.org/Final/ckeditorimage/files/77324298284.pdfIn PDF document text
- https://daqing-jewelry.com/uploads/files/202109111145351151.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/f2547539b2bf430d35bde2a1fe9e6488/22101424636.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16144f50fbe157---28065225494.pdfIn PDF document text
- http://slhospital.com/upload/fckeditor/file/vasenuperarejak.pdfIn PDF document text
- http://baracenter.be/userfiles/file/22276380651.pdfIn PDF document text
- http://burmeseburmilla-allevamento.com/userfiles/files/musabodopagevoge.pdfIn PDF document text
- http://pc580.cn/upload_fck/file/2021-9-6/20210906192649203508.pdfIn PDF document text
- https://alternativi.brtim.com/uploads/wysiwyg/files/nopubokovuradili.pdfIn PDF document text
- https://rosettes.it/userfiles/file/83141820986.pdfIn PDF document text
- http://auto-spec.ca/fck/file/jojibosekuvivu.pdfIn PDF document text
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/vomunetukategovejuse.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/f1910513b6ce01a36a9b499c46f6cfca/kotidexi.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_off0000b40f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB40F | 11136 bytes |
SHA-256: 277116432a043c5043dff5db4325f6ee700941b8b0aa9e9362899731a2068a9c |
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font_01_sfnt_off0000ce1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1C | 15564 bytes |
SHA-256: 17a9b9d21b149e53a70c1d82bddf0bb6458aeb45855159f337904e061418d054 |
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font_02_sfnt_off0000f5d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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