MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://kuzutuzo.ru/wix?keyword=what+i+know+for+sure+pdf+%25D8%25AA%25D8%25AD%25D9%2585%25D9%258A%25D9%2584 PDF link annotation
- http://zefabafiw.22web.org/if_clauses_type_1_and_2_worksheet.pdfIn PDF document text
- http://fobezevuwoki.iblogger.org/jaxesen.pdfIn PDF document text
- http://wunekixel.iblogger.org/diwukapigip.pdfIn PDF document text
- https://cdn.sqhk.co/tusufawenu/bXihjf3/dosewigawibobagosebivano.pdfIn PDF document text
- https://cdn.sqhk.co/digijodaga/cjiDYhd/506242704.pdfIn PDF document text
- http://gawuguvososu.iblogger.org/relative_age_dating_of_geologic_features_answers.pdfIn PDF document text
- http://dakuximakux.22web.org/65818356301.pdfIn PDF document text
- https://cdn.sqhk.co/lexaxemiji/ji4hjmf/28073580750.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://87164119-88a6-4d6d-a72f-b109cf2d88b9.filesusr.com/ugd/bd0a66_92a2eef03ffe4a23abb625da719370c5.pdf?index=trueIn PDF document text
- http://nozaleb.rf.gd/fupamiped.pdfIn PDF document text
- http://faloboxodutak.epizy.com/big_ben_ainda_esta_em_reforma.pdfIn PDF document text
- http://pofepopogako.rf.gd/87742245534.pdfIn PDF document text
- http://vimitafukufes.rf.gd/sonuraba.pdfIn PDF document text
- http://mijewuwusos.epizy.com/xomivezojigobaberelegawix.pdfIn PDF document text
- https://f37c3615-20b0-4e70-b1e7-2acf34113780.filesusr.com/ugd/1e533a_412faa18317d4f07869647b39838dcb1.pdf?index=trueIn PDF document text
- https://734e8db3-b9db-457c-abaa-08c06218e7ae.filesusr.com/ugd/f6bb82_e190eb8d25854085a09ec60677c68ed4.pdf?index=trueIn PDF document text
- http://zadosuwiwebuw.epizy.com/basajupedetuxiri.pdfIn PDF document text
- https://d0fd53c2-66a5-49f7-a942-a4bfc50892a3.filesusr.com/ugd/11baf9_fede543fc52546f09f88b1bd2bda34ab.pdf?index=trueIn PDF document text
- https://972af30b-04c2-4618-b911-83ba0b7fef9e.filesusr.com/ugd/84a5c6_f7ca2275d27947faa530e18d825362a3.pdf?index=trueIn PDF document text
- https://1de4b56a-3309-4767-83a2-f1bb1ea7c594.filesusr.com/ugd/a6e5e9_93606d3364fb4b02892e32623bd39060.pdf?index=trueIn PDF document text
- http://nozezuwaxufudeb.epizy.com/92366258082.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e52c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52C | 5264 bytes |
SHA-256: 103b433ca296101b8c9406c416d87e7a99ac1125bcd9c97088e69b76472720ae |
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font_01_sfnt_off0000f72d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF72D | 17848 bytes |
SHA-256: 3cc56ff03079ade229f223bf5801e94b9198611600893331410493f206080672 |
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font_02_sfnt_off0001265e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1265E | 16688 bytes |
SHA-256: 96f8f006fdb527ff7915764146f48055180a4b290fd6f0287307c98989b43b96 |
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font_03_sfnt_off00013da3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DA3 | 18292 bytes |
SHA-256: 4c15187c1f25fdaa8c89f5d27f9e6cce0c8fdab8cde0fc8ee112c052ee851d6e |
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