MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. It contains numerous external URIs, with one specifically pointing to 'allytemp.ru', suggesting a phishing or malware distribution attempt. The presence of many disposable links on distinct hosts further supports a malicious intent, likely to obscure the true destination or evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 5
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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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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://allytemp.ru/uplcv?utm_term=an+introduction+to+statistical+learning+second+edition+pdf PDF link annotation
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/95aa9d1ff694e55efd768a7bb1e7dd09/fumopat.pdfIn PDF document text
- http://lamorenj.com/userfiles/files/17432300057.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1630925486.pdfIn PDF document text
- http://vning.net/filespath/files/20210906204930.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140b9c7879cc---kojigen.pdfIn PDF document text
- http://confidenzacsapagy.hu/upload/79452961506.pdfIn PDF document text
- http://wu-pao.com/upfiles/editor/files/kopilibokoxojaz.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/labepirawufulunaboki.pdfIn PDF document text
- https://aglogistics-bo.net/userfiles/file/74960306175.pdfIn PDF document text
- http://ihanzao.com/userfiles/file/20210911111407_752741613.pdfIn PDF document text
- http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/durepefodaba.pdfIn PDF document text
- https://qigoodteam.com/uploads/files/202109050320274336.pdfIn PDF document text
- http://budropol.de/Upload/file/butikuxevajapuwuk.pdfIn PDF document text
- http://greenld.com/userfiles/jaduwogodunijelazule.pdfIn PDF document text
- http://tv-sat.cz/userfiles/file/vogab.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/fujovutaxowovewa.pdfIn PDF document text
- https://villamishkan.com/310renonew/front/images/files/17380371150.pdfIn PDF document text
- http://irodaszer.lukinserv.hu/file/27895798566.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/gevogiro.pdfIn PDF document text
- https://iieng.org/editor/ckfinder/userfiles/files/zekelobudifobevexeg.pdfIn PDF document text
- http://ssss-sangam.com/userfiles/file/dijijuga.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/6194575564.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/polafejezabogosixifamarim.pdfIn PDF document text
- http://nelly-design.ru/upload/files/54150829881.pdfIn PDF document text
- http://wxbeimei.cn/upload/ckimg/files/202109160821237022.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/89936969585.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://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_off0000da1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA1C | 18304 bytes |
SHA-256: 4d20349a18112393d39c3e2a70bf7644e915ef9231f28bdfecec78c6cf5633b0 |
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font_01_sfnt_off0001099e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1099E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121B5 | 10876 bytes |
SHA-256: 00e9dc30d46ec79e2f186980d7d2e2f0c8cd604f5b22ab2618d24c93701ce858 |
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