MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress sites and disposable hosting domains, indicating a likely attempt to manipulate search engine results or distribute malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://teplospectr.ru/images/files/pojaruzuxepefufid.pdf
- https://zenkenmoshi.info/images/files/file/69623057705.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/c202b51dd88fc59f78e2a142b5654aad/wavigixumadinevowujusawa.pdf
- http://gernano.eu/gfx/userfiles/files/60943104762.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/nrlca1qcmehp34lqgoosek1lk1/zexawifemoxatiwuk.pdf
- http://euredit-editions.com/userfiles/file/botiruxilufipi.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/eee63e5413c19f853b61ec5af942f735/70337781974.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609815b8a5366---pugugifalojufelawin.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aeb48994d0---nijolelojifesavowajiz.pdf
- https://grandplaza.bg/uploads/assets/file/biril.pdf
- http://kursadowicz.pl/Upload/file/molawososopeg.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/77155acdb50a53686d29d4e6cb118824/95770739664.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804d15c4ac4---telusetoxo.pdf
- http://mkngsp.ru/upload/files/megijasoxujifime.pdf
- https://accuratesearch.com/userfiles/file/zemuwudesutaruwilom.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089e3ca38bd1---juboti.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/d60cmf245u9h88bfmt7fru8jg8/30335299575.pdf
- http://datavincity.com/uploads/ckfinder/files/delapoxeselavamurupowotol.pdf
- https://ibexquimica.com.br/ckfinder/userfiles/files/zoxidajupavovokokolop.pdf
- https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/xakemepe.pdf
- http://bagiez.com/userfiles/file/vetuvutajup.pdf
- http://ytlcases.com/userfiles/file/soxasumedaxigegawadoma.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/ps90t3vf5fg7nac4du3lp1baih/wenefidadavasusalubixaf.pdf
- https://accesoriosalmayor.com/images/userfiles/file/132997969.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=music+notes+and+rest+names
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb0c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0C | 16792 bytes |
font_01_sfnt_off0001031e.bin08b86db0650147fbc5f66019f8c97d169987f7acb5c51b3f01b31577284bb81f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031E | 18812 bytes |
font_02_sfnt_off00013404.bin14d4617b4e38696e8c8237e6f3ac6c3aedd116a8d6bb8ae62ef1a7655941b8a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13404 | 10576 bytes |
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