MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The document body, though heavily obfuscated, appears to be a lure related to learning English grammar.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://gimoguvi.ru/aws?utm_term=how+to+learn+grammar+in+english+pdf PDF link annotation
- https://cdn.sqhk.co/zedugixaka/jjcpLgf/2017_chevy_sonic_turbo_owners_manual.pdfIn PDF document text
- https://cdn.sqhk.co/remimidotomi/7LJZhbj/24705261523.pdfIn PDF document text
- https://cdn.sqhk.co/mumoragato/rfgcjhX/wutumuw.pdfIn PDF document text
- http://rugozuravonabib.22web.org/great_books_to_read_in_2018.pdfIn PDF document text
- https://cdn.sqhk.co/tefulobesa/hbghjje/hurricane_superhero_wind_tornado_vegas_mafia_online.pdfIn PDF document text
- https://cdn.sqhk.co/desogepupema/geWKMgh/kaxukuwodewat.pdfIn PDF document text
- https://cdn.sqhk.co/remozemot/iuamhe9/space_invaders_pixel_art_template.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://30f21d72-2b41-4965-a7bc-2abb02bf1ded.filesusr.com/ugd/47e66e_a0c6cc506d9b4190a02a11e18a94d61d.pdf?index=trueIn PDF document text
- https://f1ddcea9-c323-452c-a4d3-aaefec61e50a.filesusr.com/ugd/defd8a_351ca09ec7764d449613252e3198302d.pdf?index=trueIn PDF document text
- http://mogajepan.epizy.com/2385291150.pdfIn PDF document text
- http://gamutazuzores.epizy.com/mekixapumojomaw.pdfIn PDF document text
- http://mivarotodu.epizy.com/waxowi.pdfIn PDF document text
- https://627f215e-41ba-4aa4-9906-5f9f9d117739.filesusr.com/ugd/8ab72e_8761b962e0c54bf0afa3948f04aff48d.pdf?index=trueIn PDF document text
- https://9e2901ea-5d25-41a5-867c-54d0774c6e48.filesusr.com/ugd/4d0f37_ed24ca959fb2434b92a9aae5d62023c1.pdf?index=trueIn PDF document text
- https://c06d174a-caca-4ab2-b5a0-4525cd3135d4.filesusr.com/ugd/856cea_79daa593f5cf413d99bbac0e558a98fe.pdf?index=trueIn PDF document text
- http://tusibav.epizy.com/creative_website_templates.pdfIn PDF document text
- https://96a9e3af-f0c3-4048-9e6c-0ad8da3c6018.filesusr.com/ugd/15d534_31373a9cd7f04f8bad469c544503f1bc.pdf?index=trueIn PDF document text
- https://12f7643e-9106-4823-89c2-0bdaecd1bc22.filesusr.com/ugd/1f6d71_1cd4d45c578e4bd0b3416c5ea76cc89f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wujodibu/fatobeti.pdfIn PDF document text
- https://s3.amazonaws.com/zexozavo/free_templates_wordpress_responsive.pdfIn PDF document text
- https://1864c106-1a4f-4194-99fb-dabd5a0af450.filesusr.com/ugd/17b194_63c7c4c081304cc6b58728150b0b5a84.pdf?index=trueIn PDF document text
- https://ddb1515c-011f-4d6c-9a6c-b305a2039a85.filesusr.com/ugd/477ac5_db9ad1be549946409265d5b4dfb16098.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD99 | 5508 bytes |
SHA-256: 8dba36852feee0b98f7e9e5ebcf9774f608ffd4efecafc0833cfba30aa19145b |
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font_01_sfnt_off0001103d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1103D | 11184 bytes |
SHA-256: d156ec5ed8638ec8f7fa77244713778d22befc0441b996da26572431e8290416 |
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