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, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to PDF files hosted on potentially compromised or disposable domains, suggesting a link farm or redirection mechanism. The presence of a Google Forms tutorial lure in the document body, combined with the numerous external links, strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://stlukesfp.org/ckfinder/userfiles/files/zevojamefulol.pdf In PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/xovugeduvitinuvozizedo.pdfIn PDF document text
- http://moriefrusca.com/userfiles/files/98627546622.pdfIn PDF document text
- http://siciny.pl/userfiles/file/dawudujopitebalowisiwegu.pdfIn PDF document text
- http://uat2.hkha.com.hk/ckfinder/userfiles/files/36561985713.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/zafawi.pdfIn PDF document text
- https://portalkucharski.pl/app/webroot/media/files/14153614.pdfIn PDF document text
- http://lesen-und-schenken.de/userfiles/files/92769217973.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/xagowasojalinepupudol.pdfIn PDF document text
- https://smgbid.com/ckfinder_userfiles/files/7624463103.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/resinalimaso.pdfIn PDF document text
- http://demirlermetal.com/resimler/files/31522211299.pdfIn PDF document text
- http://thanhnhomdinhhinh.net/uploads/files/93296271718.pdfIn PDF document text
- http://pelesiuvalymas.lt/i/File/24600789359.pdfIn PDF document text
- http://goref.ru/files/file/51134327222.pdfIn PDF document text
- https://juraganmonyet.com/contents/files/wozikijegede.pdfIn PDF document text
- http://zzquansu.cn/d/files/mulidetatujomero.pdfIn PDF document text
- http://nordicwalkingturak.hu/_user/file/nuzulawu.pdfIn PDF document text
- http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210914161450.pdfIn PDF document text
- http://breakevenpoint.pl/uploads/editor/file/xuxakiwovitarinolad.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/76882861015.pdfIn PDF document text
- http://chamdure.com/DATA/files/kuvemesan.pdfIn PDF document text
- http://shengnabei.com/uploadfile/file///2021090702530512.pdfIn PDF document text
- http://duepassidalcentro.it/userfiles/files/89262474278.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a95c8dc04---sulimidapudufe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=google+forms+tutorialPDF 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_off0000dd3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD3B | 17400 bytes |
SHA-256: 351ac0157cf4b3551496b4bf0599ae70fbc100c464db85a0280310ec27824d3b |
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font_01_sfnt_off00010a47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001225e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225E | 10592 bytes |
SHA-256: a7b8bd295476cbf7ef614005d68a0be4a7b1f47c9d71ada9e1707ea21e6270b9 |
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