MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that act as a link farm, directing users to various websites. Heuristics indicate these links are used for SEO manipulation and point to compromised CMS uploads, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://drafthe.ru/uplcv?utm_term=brothers+tobey+maguire+full+movie+online
- http://kzlo.pl/fotki/fotki/file/45493931186.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/75e62aa57a103e0d1a1c351df0950627/mimegilixadaraparalikop.pdf
- http://desiaussies.com/ckeditor/uploads/files/84835626079.pdf
- http://unternehmensberatung-hegenbarth.de/userfiles/file/51475734689.pdf
- http://nscenter.cn/upload/files/17017566747.pdf
- https://hoanghaie.com/Images_upload/files/pebosomojunowiximur.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614d171abe921---dodepiwozoritip.pdf
- http://spbi.cz/res/file/72686405892.pdf
- https://banerjeetourspecial.in/ckfinder/userfiles/files/takudoruvapawuwug.pdf
- http://olsztyntransportmedyczny.pl/userfiles/file/dipujelogarevajubujivezo.pdf
- http://tksvolga.ru/userfiles/file/49065394812.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fda6509d32---16742349746.pdf
- http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/6188537803.pdf
- http://debseven.net/UserFiles/File/30045234498.pdf
- http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/likezo.pdf
- http://themetamorphoseprogram.com/userfiles/file/lajalepaw.pdf
- https://angkorphotographyguide.com/userfiles/file/xibodapalakuwesodovif.pdf
- http://beta-rc.com/upload/files/55010597978.pdf
- http://www.coverseg.com/uploads/ckfinder/files/godowok.pdf
- https://dom-titan.rs/files/fevofelazamitafomubege.pdf
- https://pasarantogel.com/contents/files/vesetujofiwakopewin.pdf
- http://szolnokepul.hu/userfiles/file/11672427958.pdf
- http://www.kymenhome-etsinta.net/tiedostot/files/padusenevisowemabasesuxo.pdf
- http://dieterheich.de/images/uploads/file/warovigasagukepu.pdf
- http://sunrui-ti.com/d/files/87275569020.pdf
- 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_off0000b127.binaac1a02786a0f12c1a7e28a9cb117255598c5a1a61dc8b6201ec08065d26c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB127 | 16504 bytes |
font_01_sfnt_off0000db08.bin94cb51d9f86d725a97465942d7f7aa922bc2ba17130428d91abc166ceb504dda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB08 | 11136 bytes |
font_02_sfnt_off0000f4f7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F7 | 16792 bytes |
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