MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, containing numerous external links to disposable domains. One of the extracted URLs, 'https://cructi.ru/uplcv?utm_term=please+check+your+network+connection+android', suggests a phishing attempt related to network connection issues. The presence of many links and the ML detection indicate a likely phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 5
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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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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://cructi.ru/uplcv?utm_term=please+check+your+network+connection+android PDF link annotation
- http://marisqueandopremios.com/campannas/file/tuperofufumazuwoperafelom.pdfIn PDF document text
- http://yidaig.com/uploadfile/file/20210904052019.pdfIn PDF document text
- http://www.startservis.sk/novy/ckfinder/userfiles/files/85432517865.pdfIn PDF document text
- http://mmprogetti.it/userfiles/files/vodifujozajamuzemilebag.pdfIn PDF document text
- http://maternites-catholiques.org/ressource/site-image/files/12023597520.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/53187592447.pdfIn PDF document text
- http://air-con.ru/upload/files/pavakunapovelen.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/161348fb20a3ba---susumiminivizi.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161423fc1511a8---79484698714.pdfIn PDF document text
- https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/26454598385.pdfIn PDF document text
- http://sunway.me/uploads/file/160422319086.pdfIn PDF document text
- http://tfforming.ru/d/files/juwipozezef.pdfIn PDF document text
- http://oppedisanorobertosrl.com/userfiles/files/gumatenuzaxozilinemur.pdfIn PDF document text
- https://bientannamhuy.com/wp-content/uploads/files/66360760667.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/55450876101.pdfIn PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/91628667928.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/gagabopo.pdfIn PDF document text
- https://benqmusicworkshop.com/fupload/file/pamakukevidiwinazamujote.pdfIn PDF document text
- http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/wuxaza.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/lerasojaxa.pdfIn PDF document text
- http://ballarioarchitetti.eu/userfiles/files/nuxudorulabumojodavosi.pdfIn PDF document text
- http://tjjjsh.com/uploads/files/fulep.pdfIn PDF document text
- https://miraclechuppahs.com/userfiles/file/nonamezibufavabasomikike.pdfIn PDF document text
- http://wamaeassociates.com/images/uploads/originals/file/22805459361.pdfIn PDF document text
- http://klenderbio.com/upload/files/41468616648.pdfIn PDF document text
- http://arcstema.com/userfiles/files/17083326688.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_off0000be8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6A0 | 16968 bytes |
SHA-256: 90eee03f1dcedd7be2d7aafe93bfa90a73ac7b0eab085785f7e21ff40c28c812 |
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font_02_sfnt_off00010283.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10283 | 10860 bytes |
SHA-256: 567823d8c64154cc3e38e12132da2415005d3a3abd1e63d9b615e196a362f0e7 |
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