MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous external URLs, with one specifically identified as a link farm on disposable hosting, suggesting a phishing lure. The presence of embedded URLs and the 'SE_DOWNLOAD_BUTTON' heuristic further support the conclusion that this document is designed to trick users into downloading malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 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://jottigo.ru/123?utm_term=jamb+biology+syllabus+2020+pdf PDF link annotation
- http://docita.fun/danasuzesp7xaz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467274/normal_605670bc6d7e1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414494/normal_5fcd3b32b81b3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482219/normal_5ff111320ecec.pdfIn PDF document text
- http://petersikdar.com/72704454116in3nn.pdfIn PDF document text
- http://ig-about.net/birkdale_intermediate_ero_reportn5we3.pdfIn PDF document text
- http://constructionhouse.info/503004508279at79.pdfIn PDF document text
- http://nasporte1.fun/57985577452b5anw.pdfIn PDF document text
- http://bilkan.fun/rheem_gas_hot_water_system_manualgajjx.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414514/normal_6016c17621dd8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424024/normal_6035168aeb74a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445558/normal_600eb3769d7d6.pdfIn PDF document text
- http://meetly.space/471191619204ubia.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457572/normal_5fedd7773038c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450154/normal_5fd657a630d22.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500674/normal_5fe920a1a87f0.pdfIn PDF document text
- http://worldhold.online/2kids_in_a_sandbox_videodk6yy.pdfIn PDF document text
- http://reduslim-ufficiale.website/zee_tv_serial_punar_vivah_songs_down2b7wn.pdfIn PDF document text
- http://devgame.design/122569887975ivpl.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_65b722a7366e4e6b8feec131d50e4d6e.pdf?index=trueIn PDF document text
- https://0dea665b-aaaa-42f3-a52c-f86f0fd1efa2.filesusr.com/ugd/8b9728_3ad77f26c0e0473e83e8550b7999f969.pdf?index=trueIn PDF document text
- https://973697ad-ffa4-4f9d-85cd-0c9d1ea039ee.filesusr.com/ugd/5f5755_8e6fd74dfb3c4aadbe954c63a5dde3d8.pdf?index=trueIn PDF document text
- https://63a0a607-6d1b-4b95-a813-f1b07cabc719.filesusr.com/ugd/ad56f2_357db2bbee2c4ef0b3a46dd64d79d773.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_off000112a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112A6 | 5772 bytes |
SHA-256: 23ebbe6c217a1800e50f9b82b4cb9617c7ccc8e1dc0480bdf61333a5dfcb57dc |
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font_01_sfnt_off00012642.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12642 | 10624 bytes |
SHA-256: a36a5cc04dfa592d08e280543e4bab6cfd82fbc630135f0cf7692b9fa82b0abf |
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