MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics as a link farm and by a machine learning classifier as malicious. It contains numerous external URIs, with the primary suspicious URL being 'https://gimoguvi.ru/strik?utm_term=nec+dterm+series+80+user+manual'. The document body is heavily obfuscated, but the presence of embedded links and the overall structure strongly suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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/strik?utm_term=nec+dterm+series+80+user+manual PDF link annotation
- http://sabovibin.medianewsonline.com/49311878588.pdfIn PDF document text
- http://perekon.22web.org/84990329307.pdfIn PDF document text
- https://gilaxaled.weebly.com/uploads/1/3/1/4/131438091/nefametevebefe.pdfIn PDF document text
- https://wetenonuvodipu.weebly.com/uploads/1/3/5/3/135321676/fiwevajiluvipogeli.pdfIn PDF document text
- http://zujewubowufonug.scienceontheweb.net/noralijefovojujirep.pdfIn PDF document text
- https://nebofubegifeso.weebly.com/uploads/1/3/1/4/131437549/6132582.pdfIn PDF document text
- http://tidedejix.iblogger.org/3d_photo_editor_apk.pdfIn PDF document text
- https://xododasewa.weebly.com/uploads/1/3/4/6/134600374/xiworewudin-xexekumelazuz-jejuzulamudugo-teduragawer.pdfIn PDF document text
- https://segalupozido.weebly.com/uploads/1/3/0/7/130738693/wonarisadunosu.pdfIn PDF document text
- http://wamipivifubape.sportsontheweb.net/73144718005.pdfIn PDF document text
- http://feremujidonigu.getenjoyment.net/bsa_camping_checklist.pdfIn PDF document text
- http://niwopofe.scienceontheweb.net/atap_genting_atap_rumbia.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/3484cdc5-cff6-436a-83b0-8869da49a228/faneduwumagugeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f674b3d2-1957-4e59-accc-990edcef6796/pajokojifumekaxosalanepa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73238d9e-1033-40c1-90ae-a076e9d0ed07/c_all-in-one_for_dummies_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cfecc2cf-6a31-4961-950d-0904de24e2e6/crear_hoja_de_vida_sencilla.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c95c033e-a4a2-4380-b3ca-fd0387be1736/canon_mp11dx_user_guide.pdfIn PDF document text
- http://mibofive.epizy.com/how_to_change_sentry_safe_dial_combination.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f60fbf3-abc5-4e9d-8bc4-7bab7c8d42ff/gexolawitabisaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d3585d9-f88d-42d5-9f4e-7876418497fb/50168989590.pdfIn PDF document text
- http://netomadutimafe.onlinewebshop.net/architecture_definition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a82ae06-ec26-46b2-89b0-5a8f6239e466/savenujikolawadafedopix.pdfIn PDF document text
- http://dexizijisub.atwebpages.com/14522833784.pdfIn PDF document text
- http://zuwapupefitojit.rf.gd/ashrae_170_free_download.pdfIn 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_off0000f6ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6CA | 5388 bytes |
SHA-256: 8d9298a6496751f70b4687fd12f54840056f6432a7754954cb26138ad9eb2a27 |
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font_01_sfnt_off00010908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10908 | 11040 bytes |
SHA-256: b672e608756649eaf5f80a74a9f57cb29f0bde5933f7c28b0a8ec16ec0dc3fc7 |
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