MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains references to 'tai chi workout videos online' and metadata indicating it was generated by wkhtmltopdf, a tool often used to create SEO spam or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://baarspo.ru/wb?keyword=tai%20chi%20workout%20videos%20online PDF link annotation
- https://dinowupeguf.weebly.com/uploads/1/3/1/3/131379410/fuwojedijipar.pdfIn PDF document text
- http://derewopenila.22web.org/vuroborasolituju.pdfIn PDF document text
- http://zumekina.22web.org/rubigewi.pdfIn PDF document text
- https://zomipawir.weebly.com/uploads/1/3/4/8/134899005/f4f7beb0259e73.pdfIn PDF document text
- https://pajejasebuwosiw.weebly.com/uploads/1/3/0/8/130813778/refitinenadi.pdfIn PDF document text
- http://dubiniba.iblogger.org/duwozelute.pdfIn PDF document text
- https://nosirulewefew.weebly.com/uploads/1/3/4/2/134236253/tavotudalus-xuluwugozeboxon-tudapamixukajol.pdfIn PDF document text
- https://luzatewuxajexi.weebly.com/uploads/1/3/4/2/134265782/rorojuj_wuxoko_jugipubopurefiw_xudatipi.pdfIn PDF document text
- https://vawegoti.weebly.com/uploads/1/3/0/8/130874218/zutanul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://rimalapotozuf.epizy.com/werulogodazevaperupofemis.pdfIn PDF document text
- http://dolaregasa.epizy.com/knot_tying_unity_ceremony.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0752b3a-efb0-427e-a01c-03e2f29b0cfd/casio_g_shock_watches_melbourne.pdfIn PDF document text
- https://7915398d-c9c2-4241-abdb-40cf742e4b8d.filesusr.com/ugd/d4df0f_e2acd4723ca5491d925530755b24f92e.pdf?index=trueIn PDF document text
- https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_edb44f4e6891462d94abcc0e64def1a2.pdf?index=trueIn PDF document text
- http://gizenelik.rf.gd/private_pesticide_applicator_test_answers_illinois.pdfIn PDF document text
- https://1a6defe7-92a0-4357-8a70-d3bce85d30c9.filesusr.com/ugd/385065_8d44f4b707f2432abf501538cd86df37.pdf?index=trueIn PDF document text
- http://wozojatoxako.epizy.com/xakagirozepipasigavet.pdfIn PDF document text
- https://84d655c4-d84a-4a0c-9c32-0387925bd622.filesusr.com/ugd/6233da_3d6c9e314504449d89614acfd2638fda.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d1d2dc5f-9295-41a7-91a4-f0f04d00eae5/94349174630.pdfIn PDF document text
- http://xupewosupegosax.epizy.com/bulbulay_drama_in_3gp.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_off0000df0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF0D | 5192 bytes |
SHA-256: 8ec5bfe4491da85cf106c4cb78e2e081217757ac525b79d628245b500342aedd |
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font_01_sfnt_off0000f0c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C2 | 10400 bytes |
SHA-256: 4bb1e0a709ae0c93ddfbe59c22d81d632fbd678e897980d0b9eebe7c67e10d85 |
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