MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains a large number of embedded URLs pointing to various domains, suggesting a link farm or phishing campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a strategy of using many distinct hosts with few links per host, a common tactic for evading detection. No scripts were extracted, but the primary attack pattern involves directing users to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://cructi.ru/uplcv?utm_term=the+working+model PDF link annotation
- http://labradory.pl/file/68677673526.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/50664152193.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/48411262961.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/35508513310.pdfIn PDF document text
- https://asiapharma.la/files/files/vubulikekinamekolet.pdfIn PDF document text
- https://vwb.mrv-educationservices.com/content_file/files/60276990028.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/pasebikevulo.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/mokurolamo.pdfIn PDF document text
- http://codemessaging.net/ckfinder/userfiles/files/53113326443.pdfIn PDF document text
- https://imagebuzz.net/ckfinder/userfiles/files/93942224937.pdfIn PDF document text
- http://ctm.it/userfiles/file/18218179902.pdfIn PDF document text
- http://kenhuffbuilders.com/userfiles/file/34368969670.pdfIn PDF document text
- https://mallncart.com/userfiles/files/fobuvutamagoso.pdfIn PDF document text
- http://vanguardhungary.hu/userfiles/file/99347658096.pdfIn PDF document text
- http://auvergne.annuaire-regional.com/ckfinder/userfiles/files/85865889811.pdfIn PDF document text
- http://mutitar.com/user_img/files/susapowolimigopixerefi.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/fafafaj.pdfIn PDF document text
- http://proficlim.ru/public/userfiles/file/78378997662.pdfIn PDF document text
- https://blugarden.eu/file/rotupagivazaxanuki.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/mazodutufeza.pdfIn PDF document text
- https://coffotea.com/uploads/files/202109271707555933.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/0ol2t4b2p96t3cf1i623l8243q/pazefejonoferixekudojeso.pdfIn PDF document text
- http://fisioterapiasuzzara.it/userfiles/files/wazukuwudewoj.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/11800765003.pdfIn PDF document text
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/16363233289.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_off0000e28d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE28D | 10408 bytes |
SHA-256: 3671f68fae4bee7472e9fbd39fa1e846b3d5fe34c833e41d732129b135ecb7bc |
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font_01_sfnt_off0000f9ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AE | 17324 bytes |
SHA-256: 7c6fc16b815fd05f40d3b3ddd33bc88a6a54f26b669a29c603ee18392f625e4f |
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font_02_sfnt_off00012670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12670 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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