MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including ML classification and ClamAV detection. The 'SE_MFA_LURE' heuristic indicates it's designed to harvest credentials or abuse multi-factor authentication. The PDF also functions as a link farm, directing users to numerous external PDF files, suggesting a distribution or phishing campaign. No scripts were extracted, but the presence of embedded URLs and the link farm behavior points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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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://ou-ravda.com/ckfinder/userfiles/files/69789362579.pdf In PDF document text
- https://newdesert.pl/userfiles/file/74543396042.pdfIn PDF document text
- http://prinsart.ro/uploads/files/36098053608.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613109927c8e0---34824341796.pdfIn PDF document text
- https://clearpatth.com/userfiles/file/17407853459.pdfIn PDF document text
- https://www.passion-rnd.com/upfile/files/2021/09/08/suveziviweboz.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/58822125096.pdfIn PDF document text
- http://eptesteplelek.com/uploads/file/rapavufaloduxagakenatigon.pdfIn PDF document text
- http://bogaarchitetti.it/userfiles/files/3768588631.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/40020318349.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613954f924546---96227844049.pdfIn PDF document text
- http://lagunaapartman.hu/images/user/file/fizonenizi.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/30882505013.pdfIn PDF document text
- http://hyundaidongdo3s.com/images/files/wezoxemabowomab.pdfIn PDF document text
- https://astoraccessories.com/uploads/ckfinder/files/jusuraj.pdfIn PDF document text
- https://netiko.fr/img/Data/file/54597234159.pdfIn PDF document text
- http://thebodyclubonline.com/userfiles/file/85615153077.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210906_11A3A6C901938577.pdfIn PDF document text
- http://szjg.hu/images/file/zimanagezilugugesazamiran.pdfIn PDF document text
- https://majubesar.info/contents/files/zexuk.pdfIn PDF document text
- http://hanabi-la.com/uploads/files/wudilefa.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/30175379280.pdfIn PDF document text
- https://red-adlay.com/upload/files/vinumaxu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=apple+earpods+volume+control+androidPDF 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_off0000e471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE471 | 18048 bytes |
SHA-256: 4d21d73b576a0b30bbd836a37f2334f4f75f6b34a75240011cafb7ad67d713e6 |
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font_01_sfnt_off00011352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11352 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B69 | 10824 bytes |
SHA-256: ce406d7afd59559cd93315c59f01417cc7d286d8ac20bd8bb16786c80d077007 |
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