MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The heuristic 'SE_LOLBIN_RUN_COMMAND' indicates suspicious command-like sequences within the document text, further supporting malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://drafthe.ru/uplcv?utm_term=can+we+read+kindle+books+on+android PDF link annotation
- https://minhkygroup.com/luutru/files/lixesepapa.pdfIn PDF document text
- http://hybsch.it/upload/file/gezuxibafekewodivas.pdfIn PDF document text
- http://charmingcurls.se/upload/file/92229105830.pdfIn PDF document text
- http://mingzhicc.com/userfiles/files/53623621293.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021090116093184.pdfIn macro / runtime command snippet
- http://rtm-plus.com/ckfinder/userfiles/files/xazepagev.pdfIn macro / runtime command snippet
- http://fusen-es.info/yamituki-n/uploads/files/pesevemofoxena.pdfIn PDF document text
- http://gazdalkodjokosan.hu/img/userfiles/file/27108676479.pdfIn PDF document text
- http://mikol-styl.cz/userfiles/file/8521707670.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148f6bcb9633---39063806725.pdfIn PDF document text
- http://dharkaninternational.com/survey/userfiles/files/2702688702.pdfIn PDF document text
- http://launensia.cz/ckfinder/userfiles/files/jokokodu.pdfIn PDF document text
- http://www.moyekolodin.com/files/xolitizumovowilib.pdfIn PDF document text
- http://yoron.net/up/files/wafalenixe.pdfIn PDF document text
- http://asfalon.com/__files/file/tusevilunazusujatika.pdfIn PDF document text
- http://maidichike.com/upload/files/xodojodesugaval.pdfIn PDF document text
- http://dejede.com/userfiles/file/jedevarivezo.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb8eda16c5---6959343317.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/zunulizevelafosoxamuk.pdfIn PDF document text
- http://3qbuy.com/CKEdit/upload/files/29400996719.pdfIn PDF document text
- http://hkwwta.org/userfiles/pagar.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/xadevi.pdfIn PDF document text
- http://asbazainville.org/userfiles/file/37729341254.pdfIn PDF document text
- http://mingzhicc.com/usIn macro / runtime command snippet
- 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_off0000ae80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE80 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c692.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC692 | 16132 bytes |
SHA-256: 404ff0229e1c0da1e64474703ddd4df20835ee0306109e7c5d48ee4e04e79a60 |
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font_02_sfnt_off0000ef98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF98 | 10492 bytes |
SHA-256: f2b3babb485f11ed380381f58b101c275802fedd8f725eaa09c5392c8890e2d9 |
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