MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, with many pointing to potentially compromised or malicious domains, suggesting a phishing or malware distribution campaign. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM further supports this by identifying a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7bc917b7d---fagupuguxabowu.pdf In PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/tonojegetinatebaneviga.pdfIn PDF document text
- http://xutricolor.com/uploadfile/files/44184464793.pdfIn PDF document text
- http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/26659359164.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/99963885611.pdfIn PDF document text
- https://shastriratanchatterjee.com/ckfinder/userfiles/files/55234632726.pdfIn PDF document text
- http://erfaspot.com/resimler/files/posamesuji.pdfIn PDF document text
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/xilegupafebijojiremomuj.pdfIn PDF document text
- https://varida-tech.com/ckfinder/userfiles/files/38700545445.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d091d3586a---rimaridovulofilanuwiwis.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/45162636524.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/zusotelazozon.pdfIn PDF document text
- http://wefocusdesign.com/upload/files/mubirewuvijot.pdfIn PDF document text
- http://bifruit.mk/ckfinder/userfiles/files/36589356262.pdfIn PDF document text
- http://yuanjiangchem.com/upload/files/99876659211.pdfIn PDF document text
- http://perfectionistpaintingnj.com/ckfinder/userfiles/files/15946104333.pdfIn PDF document text
- http://astorandblack.net/emailer/userfiles/file/32892057014.pdfIn PDF document text
- http://quocteanviet.com/img-chamthi/files/20933113248.pdfIn PDF document text
- http://ecohort.com/userfiles/files/tilukubejexali.pdfIn PDF document text
- http://xn--elementy-zczne-kwb98g.pl/media/file/vonenabekugavudal.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/6105683973.pdfIn PDF document text
- http://wintec-samu.hu/uploads/files/19535625272.pdfIn PDF document text
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/26985049904.pdfIn PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/68820856053.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=is+spinach+healthier+than+kalePDF 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_off0000de8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE8D | 10392 bytes |
SHA-256: 08686d80293d63c5b9cfc1baa5fe46fbf5d68cfef82ade6f8433fa1e322d2c3d |
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font_01_sfnt_off0000f605.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF605 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E17 | 17816 bytes |
SHA-256: b5f7ec34319e18d29b7b17f0f9cc8309a87e943ee634985bb7ec41d69753d1ff |
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