MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple embedded URLs, including one identified as a link farm, suggesting a phishing or malware distribution attempt. The 'SE_MFA_LURE' heuristic indicates the document is designed to harvest credentials or abuse multi-factor authentication. ClamAV detection and ML classification further support its malicious nature, likely involving exploitation or redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://archism.ru/uplcv?utm_term=android+delete+text+messages PDF link annotation
- http://bijverhoeven.nl/uploads/files/2603885207.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/52015262220.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa53a6f687---fizejexujezofugoso.pdfIn PDF document text
- http://hongsung114.com/files/fckeditor/file/muginep.pdfIn PDF document text
- https://kingdom.vn/userfiles/file/fusepapizokujuzogozifur.pdfIn PDF document text
- http://margheritango.it/userfiles/file/jelewuxivawabuj.pdfIn PDF document text
- http://cjpharmtech.com/upload/files/nuvuzok.pdfIn PDF document text
- http://uleshuzatshop.hu/files/file/pesomiziled.pdfIn PDF document text
- http://0vote.com/ckfinder/files/wuzafamipeputudegevadofe.pdfIn PDF document text
- https://ubranni.com/uploader/files/gawitorisajana.pdfIn PDF document text
- http://terwaarde.be/ckfinder/userfiles/files/26383330068.pdfIn PDF document text
- http://terhautz.com/upload_files/files/94516808385.pdfIn PDF document text
- https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/28657121102.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1613d125081842---dirifavuruzepusu.pdfIn PDF document text
- http://guowangcable.com/d/files/19163667058.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/dofekubagerikatagu.pdfIn PDF document text
- http://ganteltechnology.com/system/userfiles/file/modivugetixelut.pdfIn PDF document text
- https://ehotelgateway.com/bot/ckfinder/uf/files/fiwaximof.pdfIn PDF document text
- http://hanstime.com/userData/board/file/pavupubuxibexuka.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210903141218.pdfIn PDF document text
- https://salonrewards.ca/images/file/golaxomisizukuboxepoxa.pdfIn PDF document text
- http://progfin.pl/userfiles/file/vagibexisoponalojekowol.pdfIn PDF document text
- http://greenworx.eu/images/uploads/files/roletokixunafi.pdfIn PDF document text
- http://maydemtienvn.com/upload/files/24394485950.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_off0000d648.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD648 | 18080 bytes |
SHA-256: 2a7e77f78b7d1c26c8fe409242005f6dfaeb97bdc8e332f6e32d22d590728be2 |
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font_01_sfnt_off000104b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ccb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CCB | 10676 bytes |
SHA-256: f6a91059c820750b4006bb52d3cea36d0d1cb60465015086a07110cae53b9c82 |
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