MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as a phishing trojan. It contains a large number of embedded URLs, many of which point to disposable domains or link farms, suggesting a phishing or redirection campaign. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the PDF structure and numerous external links point towards a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://smidgel.ru/uplcv?utm_term=redmi+note+7+speaker+volume+low PDF link annotation
- https://dermatologie-chamonix.com/userfiles/file/vazur.pdfIn PDF document text
- https://partroyfuneralhome.com/partroy/assets/file/55082032466.pdfIn PDF document text
- http://www.ap-arte.ro/fckupload/file/bofezotula.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/zuvarolutavemisesogozuju.pdfIn PDF document text
- http://sobateracota.ro/mm/file/14702207346.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/fefikid.pdfIn PDF document text
- http://pyroglobal.sk/app/webroot/files/userfiles/files/rizojub.pdfIn PDF document text
- http://globalone-mould.com/gbw/fckfiles/20210916020448.pdfIn PDF document text
- https://gazeta-msp.pl/user_files/File/31636809655.pdfIn PDF document text
- https://yam-token.com/business_school/uploads/file/deritevow.pdfIn PDF document text
- http://kleiberit.ru/files/file/51114463248.pdfIn PDF document text
- http://focalthai.com/file_media/file_image/file/81306785950.pdfIn PDF document text
- https://kccegis.com/upfiles/content/file/20210903124839.pdfIn PDF document text
- http://boldino-hotel.com/ckfinder/userfiles/files/72131294466.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/6ghf37n9pfe2to50ru2n261ktp/65223760470.pdfIn PDF document text
- https://ans5680.preneed91.com/upload/files/luwajixibepukapexule.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/161325152512aa---zavedasirowoteke.pdfIn PDF document text
- http://theexplorerthai.com/userfiles/files/42125372059.pdfIn PDF document text
- https://mariapolis.net/ckfinder/userfiles/files/44234447057.pdfIn PDF document text
- http://kuhomania.ru/ckfinder/userfiles/files/45886286098.pdfIn PDF document text
- http://js-space.de/userfiles/file/zoxazemirukisa.pdfIn PDF document text
- http://air-ned.com/uploads/files/sarasifuvazekejajexafi.pdfIn PDF document text
- http://arredamentoambienti.it/img/file/vafokatutod.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_off0000bfd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFD5 | 17368 bytes |
SHA-256: 5c96e25392575ceebfecdd987674114a971e970f20e9e74d087a74eaee572d5d |
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font_01_sfnt_off0000ecb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB6 | 10992 bytes |
SHA-256: 0261f147bf39e8bafab9872414cb32b9b805b3e802bc176f8f9b4d7b55f48f26 |
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font_02_sfnt_off00010655.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10655 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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