MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating a high probability of maliciousness. The document body, though partially obfuscated, contains keywords related to test questions, likely serving as a lure. The presence of numerous external URIs, many pointing to disposable domains, suggests an attempt to redirect users to phishing or malware-hosting sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate it's designed to exploit users via malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 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://leonvi.ru/wix?keyword=karnataka+computer+literacy+test+questions+and+answers+pdf PDF link annotation
- http://hot-money.fun/famojozukefaxebzrtjk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374852/normal_6035b942c76c4.pdfIn PDF document text
- http://koteyarn.moscow/aa_battery_energizer_datasheetbi3v2.pdfIn PDF document text
- http://stavki-na-sport.site/28896195084wv9ht.pdfIn PDF document text
- http://erogan-columbia.site/hunters_and_props_freeymng4.pdfIn PDF document text
- https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/ripasig-gebadebu-gasesudeb-wuzutawemijibu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369493/normal_5fe5606fa19cc.pdfIn PDF document text
- http://hellesypakk.online/xudomorifurepdac.pdfIn PDF document text
- https://ruwizugaxuluba.weebly.com/uploads/1/3/4/7/134759804/paxom.pdfIn PDF document text
- http://tosety.xyz/sekiwinazumusojig2tw1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393514/normal_6047f5bd1bdf7.pdfIn PDF document text
- https://gisonegeviwobi.weebly.com/uploads/1/3/1/3/131383673/sewuw.pdfIn PDF document text
- http://bogplaktnc.fun/realtek_high_definition_audio_driver_update_windows_10_64_bitilkkb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488323/normal_5fe7da882d16e.pdfIn PDF document text
- https://tegikalom.weebly.com/uploads/1/3/0/8/130874380/e664aaee55e8.pdfIn PDF document text
- http://creditscorefix.info/liwipaziji0ckqe.pdfIn PDF document text
- http://eglo.club/9169197366175sds.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421614/normal_5fdb245b8ce9c.pdfIn PDF document text
- http://ladyso.ru/50647408161wtaun.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f8b2de7a-6012-4721-b8f1-df5267d6bb95.filesusr.com/ugd/8ebb60_2cc031cb73954f73a58c299279dee695.pdf?index=trueIn PDF document text
- https://4a39c6c9-989b-4d11-b2d8-cc0becc7f193.filesusr.com/ugd/ef0078_9aaed82835c242d38369c1ce4e74ad61.pdf?index=trueIn PDF document text
- https://ccd4a2e6-63e2-4dcb-a02e-1ae1253dabcc.filesusr.com/ugd/059ff1_535f9434e31649f4bf4ff2f72e5c6853.pdf?index=trueIn PDF document text
- https://4123e755-5e7e-4fb8-b167-49ba90d37259.filesusr.com/ugd/fd3290_3f293d7898e5479eb1ff9535eb92e3c6.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_off0000e27f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE27F | 5652 bytes |
SHA-256: a18cbba86c38e7e522f5d36de69d9a25b3fd8e9345c54c1869151953f71fe1a2 |
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font_01_sfnt_off0000f5be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BE | 11060 bytes |
SHA-256: faf7dcdd54dee2e87225cc480902f412eda36c86fda934c3d0b3787b1e063a7c |
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