MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The document body, though partially corrupted, contains text related to 'worksheets to develop writing skills', which likely serves as a lure to disguise the malicious nature of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://jumiwimov.ru/123?utm_term=worksheets+to+develop+writing+skills PDF link annotation
- https://dipafasimabake.weebly.com/uploads/1/3/1/1/131164320/764368.pdfIn PDF document text
- https://kenojitoxudu.weebly.com/uploads/1/3/1/3/131383977/424900.pdfIn PDF document text
- https://cdn.sqhk.co/kivipemo/CFgdiND/wobokosomapodotiw.pdfIn PDF document text
- http://autobuff.xyz/rutibatew2zxi.pdfIn PDF document text
- https://ganunobagitap.weebly.com/uploads/1/3/4/0/134012575/3ef659381b58e.pdfIn PDF document text
- https://vemusosafuz.weebly.com/uploads/1/3/1/3/131398108/milerewozowa.pdfIn PDF document text
- http://stavki.link/pomimijisodisajgzfj.pdfIn PDF document text
- http://robolab.one/fibadurofovakid4bkg.pdfIn PDF document text
- https://cdn.sqhk.co/xejadukoxeta/hicMkje/taremepuxitifakul.pdfIn PDF document text
- http://rodina38.ru/will_sky_install_a_hybrid_lnblm19s.pdfIn PDF document text
- https://vadizomozizi.weebly.com/uploads/1/3/5/4/135400682/bubibo.pdfIn PDF document text
- https://duvafoxugijotad.weebly.com/uploads/1/3/5/3/135305538/f08bb2036b1.pdfIn PDF document text
- http://vipadminler.org/kinobody_superhero_downloadgrbhd.pdfIn PDF document text
- https://mijevofere.weebly.com/uploads/1/3/1/6/131606011/jesuxukusiwozagana.pdfIn PDF document text
- https://gafojeted.weebly.com/uploads/1/3/1/4/131452963/tilafulizunu_figaseruna_xonofizidurifu_xirevegeserunen.pdfIn PDF document text
- https://lizatupapej.weebly.com/uploads/1/3/4/4/134401074/gogovuxurevivim_sifori.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aa3bb5c3-2bd4-4791-9e2a-6e31d5009b04.filesusr.com/ugd/60e703_1240afbbada0438393f50f107a4cd83f.pdf?index=trueIn PDF document text
- https://ca3ec1ac-6ff7-4c8f-ae0f-86a30d86e335.filesusr.com/ugd/3615fb_eb61642f183f47d696f87d0201bab3bc.pdf?index=trueIn PDF document text
- https://e0271a52-a7af-48e9-8a99-924ce320ec62.filesusr.com/ugd/be5703_7013219e14c74c25b528fb790b84d4a2.pdf?index=trueIn PDF document text
- https://1747caf2-50c5-4ace-8f30-8d3f4e2f7d49.filesusr.com/ugd/017962_b49acabe585545d28bc818a632aecbee.pdf?index=trueIn PDF document text
- https://680e7e7f-99bb-4309-8a01-ecc910dc7690.filesusr.com/ugd/717a42_f63c27b7e6694ff387b95dd67e0aeea9.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_off000114a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114A0 | 5240 bytes |
SHA-256: 15e6ed827b6f3a0e5094f9b3d4ffd48d4dfbde58ef798fc314d13f4420ee1a97 |
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font_01_sfnt_off00012690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12690 | 11228 bytes |
SHA-256: 38d5bb341d0b55b80813495cda9659b8ceffe06be5762074c1fd7ed54ecbb390 |
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