MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing and link farm attack. It contains numerous external links, including one to 'dugedepap.ru' with a query parameter suggesting a hacking theme, and another to a PDF hosted on 'static.s123-cdn-static.com'. The heuristic 'SE_LOLBIN_RUN_COMMAND' firing with the sequence 'cmd+hack' further indicates a potential attempt to exploit or mislead the user. The document body, though heavily obfuscated, contains fragments that align with these findings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://dugedepap.ru/award?keyword=how+to+use+cmd+hack PDF link annotation
- https://static.s123-cdn-static.com/uploads/4495058/normal_5fffb06712546.pdfIn macro / runtime command snippet
- http://timujegewaverun.22web.org/nifopisamefawarizovupivag.pdfIn PDF document text
- https://vepenisa.weebly.com/uploads/1/3/4/3/134339982/bipejabub_kemukuwif.pdfIn PDF document text
- https://jizufozerujit.weebly.com/uploads/1/3/4/3/134343201/ledidami-lufekubozixoza-ritufu.pdfIn PDF document text
- http://lomigakorak.getenjoyment.net/pete_the_cat_thanksgiving_book_read_aloud.pdfIn PDF document text
- https://kixifosesezor.weebly.com/uploads/1/3/3/9/133998007/7164016.pdfIn PDF document text
- https://pekidajisin.weebly.com/uploads/1/3/4/4/134476355/tisagadodum.pdfIn PDF document text
- https://tigibivimibi.weebly.com/uploads/1/3/4/3/134344299/3330226.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407087/normal_601733006faa4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469631/normal_6033ad1d70498.pdfIn PDF document text
- https://pulavirovedozas.weebly.com/uploads/1/3/2/6/132695401/5c5822b7feb5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413835/normal_5fd2eb4b42a82.pdfIn PDF document text
- https://ruzuwigowan.weebly.com/uploads/1/3/1/4/131453288/6c858b707d9e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fafezevasuba.rf.gd/challa_video_song_mp4.pdfIn PDF document text
- http://kikanelomer.onlinewebshop.net/98290507775.pdfIn PDF document text
- http://vumamuv.myartsonline.com/bilikofarulewovumemubege.pdfIn PDF document text
- http://wepuwuzuvam.epizy.com/compound_sentences_worksheet.pdfIn PDF document text
- http://rixibedi.onlinewebshop.net/71915025517.pdfIn PDF document text
- http://liroporuki.myartsonline.com/aircare_humidifier_error_code_ec.pdfIn PDF document text
- http://jofesosozofoso.epizy.com/what_are_the_parts_of_a_personal_computer.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f295.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF295 | 5168 bytes |
SHA-256: 4becd457b7f3db5b599e86cbe683989901ec877e5f365ee898c8a7d8a4065987 |
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font_01_sfnt_off00010413.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10413 | 10436 bytes |
SHA-256: 1cb710d510280d3ff421ec4c169e51fffa1b51c72f299f9e1b89f0b40f3c6d15 |
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