MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by multiple heuristics as malicious, including ML classification and ClamAV detection, specifically identifying it as a phishing trojan. It contains numerous external links, many pointing to algorithmically generated URLs on disposable hosting, suggesting a link farm designed to distribute further malicious content or lead users to phishing sites. No scripts were extracted, but the PDF structure and URL patterns strongly indicate a malicious intent to redirect users.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://bwawarszawa.pl/upload/file/61519547641.pdf In PDF document text
- http://sbnjl.com/userfiles/files/lamakofabazijajaxaz.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109052154006610.pdfIn PDF document text
- http://hamyarsanatco.com/ckfinder/userfiles/files/karixoj.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/50800124479.pdfIn PDF document text
- https://nbtele.com/en/cache/fck_files/file/divobijimelenixetogotu.pdfIn PDF document text
- http://fygl.net/uploads/file/020055425787.pdfIn PDF document text
- https://www.zochrot.org/ckfinder/userfiles/files/69848992534.pdfIn PDF document text
- http://axiomestates.com/userfiles/file/musedajimabimumorovuruk.pdfIn PDF document text
- https://dursunguney.com/userfiles/files/47761324993.pdfIn PDF document text
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/2841726293.pdfIn PDF document text
- http://abc-tel.ru/data/File/vesopefopitoxese.pdfIn PDF document text
- http://veterina-naslunci.cz/userfiles/file/bimojitavolevatarab.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/fakave.pdfIn PDF document text
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/4480955692.pdfIn PDF document text
- https://internationallanguagenavigators.com/media/metaxukuzalewu.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/69265336857.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/88333424047.pdfIn PDF document text
- https://chowdhurytourism.com/ckfinder/userfiles/files/faribegijuwegazisureder.pdfIn PDF document text
- http://maychaybocaocap.com/app/webroot/uploads/files/59381807576.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/bosaka.pdfIn PDF document text
- https://n-tlg.com/files/file/nojamazegamefisopigel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=translate+english+to+amharic+pdfPDF 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_off0000fa33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11245 | 18800 bytes |
SHA-256: 8756268e1f92f18442453a9a4a847d61989c4a8ac8d933dd2c384a4e8d34b926 |
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font_02_sfnt_off000142b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142B1 | 11028 bytes |
SHA-256: 4f7155f473a1a55bbc55a6580847a18db70a7188e0ae934f427fb45c8c4b11bd |
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