MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with high-severity heuristics indicating it contains random and disposable URLs. The PDF structure and numerous embedded links suggest a phishing or malware distribution attempt, likely using a spearphishing attachment as the initial access vector. The presence of multiple external links points towards a strategy of redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://garglob.ru/uplcv?utm_term=enregistrement+ecran+android PDF link annotation
- http://rassadaspb.com/new/files/file/tapajekupos.pdfIn PDF document text
- http://runbo.net/upfiles/files/16317215663288.pdfIn PDF document text
- https://www.habitat-morvan.fr/ckfinder/userfiles/files/111554460.pdfIn PDF document text
- http://gianphoiduyloimodel.com/Images_upload/files/bizubin.pdfIn PDF document text
- http://hoanggiaphatstone.com/upload/files/97573105169.pdfIn PDF document text
- http://xpeedon.net/userfiles/file/20210915154306.pdfIn PDF document text
- https://www.sudoku-cool.com/ckfinder/userfiles/files/gademagagumavipoguzufagun.pdfIn PDF document text
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/1841043376.pdfIn PDF document text
- http://avtosfera28.ru/userfiles/file/32149020316.pdfIn PDF document text
- http://theffirm.com/userfiles/file/23427777774.pdfIn PDF document text
- http://omgmediatank.com/userfiles/files/12926573956.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/90541327364.pdfIn PDF document text
- http://jumpinfit.it/userfiles/files/83261465999.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f38d962338---tuxuv.pdfIn PDF document text
- https://dom4m.de/userfiles/files/56149560984.pdfIn PDF document text
- http://bresky.cz/res/file/zabogu.pdfIn PDF document text
- https://purmoradiatoriai.lt/images/files/netun.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/cdd63a5ef9cf64efe15b0cae167cbaf3/lefarisavulebijamo.pdfIn PDF document text
- http://www.somdattabasu.com/fckimages/file/wukuwabimujabiseseti.pdfIn PDF document text
- http://top-caster.com/userfiles/file/gifofufet.pdfIn PDF document text
- http://kooijobs.in/ckfinder/userfiles/files/fifusodugatipemelazotel.pdfIn PDF document text
- https://gplacestracker.com/userfiles/file/90483861127.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202109060610213878.pdfIn PDF document text
- http://nakloboucku.cz/uploaded/file/penomuraganopu.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_off0000d0c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e8d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D3 | 19560 bytes |
SHA-256: 60df85495a7e95020d078e3035d5e196ba46c8fc3e2ffaf6dcf8da13e23823f3 |
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font_02_sfnt_off00011a33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A33 | 10648 bytes |
SHA-256: 1d92bd576e37d4ac12be034cd7cc5500280080b70b50c7d1cccee905dc5066d0 |
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