MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which are identified as part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates these links are on disposable hosting and likely serve as a lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution, aligning with the Spearphishing Attachment technique. No scripts were extracted, but the structure suggests a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://audreyheselmans.com/_files/file/80435467723.pdf In PDF document text
- https://infoenergie-loire.org/userfiles/file/85125646411.pdfIn PDF document text
- http://omegapizza.net/uploads/files/begebelidezuvagedinuxe.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/86068554083.pdfIn PDF document text
- http://lor-rostov.su/userfiles/files/xunonesipaju.pdfIn PDF document text
- http://beautybybelief.com/admin/images/file/pubiladojameti.pdfIn PDF document text
- http://fullerton.kopanramen.com/uploads/files/70057927011.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/52128563096.pdfIn PDF document text
- http://vagtteam.com/userfiles/Files/52411826015.pdfIn PDF document text
- http://burmeseburmilla-allevamento.com/userfiles/files/68930759589.pdfIn PDF document text
- https://okazionche.com/files/nizonisuzo.pdfIn PDF document text
- http://uniondrygoods.com/fckeditor/userfiles/file/jelawunimo.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/xibumemexawese.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/d2087e300da1726ad01a2a33e6642cd9/pakalas.pdfIn PDF document text
- http://hillcrestneighborhoods.com/userimages/87045455839.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613e30c5d2110---pokiw.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/36362401432.pdfIn PDF document text
- https://franchisebusinessadvisors.franchisebrokerwebsites.com/broker-site/files/files/16488042782.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/duriseguxegaji.pdfIn PDF document text
- http://apsons.eu/files/file/72557398847.pdfIn PDF document text
- https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/70963593314.pdfIn PDF document text
- http://bharatandcompany.in/ckfinder/userfiles/files/raxavogorewikipuridafewu.pdfIn PDF document text
- http://chickendaylacrescenta.com/uploads/files/wunadapozoxogojiposu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=m3u+tv+listPDF link annotation
- 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_off0000e34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34A | 17632 bytes |
SHA-256: 640f70710564fd63919cb5ab71856f07322e43cbf5f866ca07066060c2fc029d |
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font_01_sfnt_off00011178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11178 | 9816 bytes |
SHA-256: 97252b0b09aed1361b6ff1b76d4f9da36a3ff17039e76fb4282d6a041cbee39b |
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font_02_sfnt_off00012723.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12723 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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