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, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically points to this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://irlanc.ru/uplcv?utm_term=pokemon+apps+for+android PDF link annotation
- http://immodraft.de/images/architekten_agentur_images_/file/55975028105.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/68193280081.pdfIn PDF document text
- https://luatsuavina.com/userfiles/file/71479365440.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142b2ae2a315---3344884256.pdfIn PDF document text
- https://alcoquimicos.com/ckfinder/userfiles/files/48482965775.pdfIn PDF document text
- http://origo.ws/userfiles/file/55909585257.pdfIn PDF document text
- http://kag.fr/userfiles/file/dupagab.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/ruxijibotubofivexezefa.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/59374041672.pdfIn PDF document text
- http://kalmi.ru/upfiles/files/tasoluf.pdfIn PDF document text
- https://trisyscom.com/userfiles/file/5778587004.pdfIn PDF document text
- https://totounited.com/contents/files/pepazomiwixutunamozafisew.pdfIn PDF document text
- http://ordinate-ltd.com/file_media/file_image/file/voginavipulesomigapip.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161416272a0c87---30526166160.pdfIn PDF document text
- http://eltdb.com/UserFiles/files/67565430374.pdfIn PDF document text
- http://filipdegreef.be/uploads/files/1390451039.pdfIn PDF document text
- http://shamayachts.com/upload/file/32462587589.pdfIn PDF document text
- http://domoticasociale.it/immaginiNewsletter/file/fewetenok.pdfIn PDF document text
- https://braintreeclinics.com/app/webroot/img/files/velamefetafumimilupuxixin.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/fuzapamadawukuwawitabisap.pdfIn PDF document text
- http://e-sheremet.com/img/vofufolavakefo.pdfIn PDF document text
- http://yokohama-model.com/userfiles/files/fuxunurolejonigif.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/favaxewiwufubulibeba.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/27104552131.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_off0000d90f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90F | 10608 bytes |
SHA-256: 66ffad465441a93990cdbdff0f174d9110b6471bb71a80034845231afba0ae23 |
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font_01_sfnt_off0000f149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF149 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001095b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095B | 17720 bytes |
SHA-256: ea22de9ffb49b8617713ddd4318163fe1391cc4ae64b61d428de60550a4adb67 |
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