MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. One of the primary URLs identified is https://mezovuduw.ru/strik?utm_term=pronoun+exercise+for+class+10, which is likely a redirector to malicious content or a phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://mezovuduw.ru/strik?utm_term=pronoun+exercise+for+class+10 PDF link annotation
- https://zasubimivari.weebly.com/uploads/1/3/1/3/131383839/d66da0.pdfIn PDF document text
- https://cdn.sqhk.co/romilononove/ighjbuv/personal_stickers_for_whatsapp_apk_for_iphone.pdfIn PDF document text
- https://cdn.sqhk.co/merabuvi/cXmxMxI/hair_salon_in_walmart_gaffney_sc.pdfIn PDF document text
- https://busuguzokiw.weebly.com/uploads/1/3/1/4/131406797/514714.pdfIn PDF document text
- https://regezubigif.weebly.com/uploads/1/3/5/3/135320660/wideres-tisaru-zenobigegom-teluka.pdfIn PDF document text
- https://sinuxogutit.weebly.com/uploads/1/3/4/5/134505158/7096d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415937/normal_5ff8a9d5b442f.pdfIn PDF document text
- https://cdn.sqhk.co/sepexapubu/gix4Ggc/ruronusezoxuw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470683/normal_6004eed83c58d.pdfIn PDF document text
- https://zefijevizo.weebly.com/uploads/1/3/2/3/132302816/0d2a77c7a8fc83.pdfIn PDF document text
- https://gadigode.weebly.com/uploads/1/3/2/6/132680949/fa6f1a5a9e78c52.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_8ed2ba3bdf8842d8920d16eb501b69b7.pdf?index=trueIn PDF document text
- https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_fa2b5aa174564e7cb69938d208f12e6a.pdf?index=trueIn PDF document text
- https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_6246c2036480449185edf0a9fec52028.pdf?index=trueIn PDF document text
- https://a91873a8-1f5b-4151-915d-af39eb211f25.filesusr.com/ugd/3f80ec_5b76e5347b554af2b46e2f71a6ddee10.pdf?index=trueIn PDF document text
- https://ef9935f7-a918-44a1-999f-f1d50a45e4a7.filesusr.com/ugd/b463f2_e04d6223304e4ed9914e02dddc7ee6c6.pdf?index=trueIn PDF document text
- https://7f793f8f-877f-420e-851b-8bae9ea62a4d.filesusr.com/ugd/78c764_8c4c33b0a5c9460992b6b68b29a28107.pdf?index=trueIn PDF document text
- https://efa91360-7c21-416c-9d60-3189e0beb381.filesusr.com/ugd/42ffc7_4dc734ccd72746d9b60ce64a67bdb627.pdf?index=trueIn PDF document text
- https://76c9fb28-c10e-4950-85be-37de24a2ede8.filesusr.com/ugd/fa32a6_4284cf3a83e645a2886c88006483257e.pdf?index=trueIn 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://scripts.sil.org/OFLIn 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_off0000ebd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD3 | 5136 bytes |
SHA-256: 9413ffb404c8f7a7dcb1f37cafbbaeeba0c6baa0be3cf4e13db110cf4f418e41 |
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font_01_sfnt_off0000fd62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD62 | 10632 bytes |
SHA-256: dc16ec933fe9d88ced6fcf20112bde5dcc6da3b4b1c12113c0ec033af3e492a7 |
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font_02_sfnt_off000121bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121BF | 16144 bytes |
SHA-256: 764fe263e68fd20aff2bbd96e69f5a400d440299d02096befa162391f913c7cf |
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