MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains and potentially malicious PDF files, as indicated by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URLs and the heuristic firings indicate a likely phishing or scam campaign aiming to redirect users to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://xezojetit.ru/award?keyword=bwv+578+pdf PDF link annotation
- http://hookup666.site/kudexorict9ah.pdfIn PDF document text
- https://mawakizuk.weebly.com/uploads/1/3/0/7/130775730/rimokuwunudomavob.pdfIn PDF document text
- https://mivagori.weebly.com/uploads/1/3/5/3/135318233/velub_jujavinidogon_xofowi.pdfIn PDF document text
- https://s3.amazonaws.com/rimejiguvif/learn_android_app_development_reddit.pdfIn PDF document text
- http://mists.space/11517928536z1iq6.pdfIn PDF document text
- http://dkblogin-de.com/99005685126gc1ty.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374976/normal_6003719926d7e.pdfIn PDF document text
- https://s3.amazonaws.com/gavobawum/first_alert_smoke_and_carbon_monoxide_alarm_keeps_chirping.pdfIn PDF document text
- https://s3.amazonaws.com/tinivukedeta/91840808856.pdfIn PDF document text
- https://gakujoxabusu.weebly.com/uploads/1/3/5/3/135394689/22990.pdfIn PDF document text
- https://kepubewi.weebly.com/uploads/1/3/6/0/136095452/novolewagew.pdfIn PDF document text
- http://torchland.xyz/school_uniforms_south_county_dublinu283h.pdfIn PDF document text
- http://mini-cam-v2.club/charles_law_problems_with_answerszxi9h.pdfIn PDF document text
- https://detudonerud.weebly.com/uploads/1/3/4/6/134660859/2241282.pdfIn PDF document text
- https://gabusuve.weebly.com/uploads/1/3/5/2/135297202/zasomulofiruw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384642/normal_5fc8311b88328.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fefadipif.rf.gd/fevadusexam.pdfIn PDF document text
- http://vabepevid.epizy.com/pengertian_populasi_dalam_biologi.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
- 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_off0000d27f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD27F | 5120 bytes |
SHA-256: 11fe7d06e1d67cee8f7a70a9967e2bacb9657dfb441bdc7d4d2f37780b116ab5 |
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font_01_sfnt_off0000e431.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE431 | 11048 bytes |
SHA-256: 557f3128595620b694da620c6dea6b7492920b6f7e8d8735a9feb1a9f25d21ce |
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font_02_sfnt_off00010a23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A23 | 16184 bytes |
SHA-256: 75e56e6dc913dabd8b3c9cd5ea70025aeab0fff598b2ab24d9d660aeb9535195 |
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