MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, many of which point to disposable domains and are structured as link farms, a common tactic for phishing or distributing further malware. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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 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://yauspeshen.com/ckfinder/userfiles/files/83845374723.pdf In PDF document text
- https://dd-inside.de/userfile/file/In PDF document text
- http://hotelniagararimini.eu/userfiles/files/39585331539.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/pepuvepagu.pdfIn PDF document text
- http://gzcaifeilai.com/ckfinder/userfiles/files/202109271745229220.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210905205710131.pdfIn PDF document text
- https://pomacanthe-art.fr/imagebeforeafter/files/dasevalavizik.pdfIn PDF document text
- http://olgapolyakova.de/files/files/24486695584.pdfIn PDF document text
- http://fiumaradelsossio.it/userfiles/files/vakuv.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/31272222331.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/firofevezomezibupewazi.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161585075a2170---libuwabujor.pdfIn PDF document text
- https://funbugs.ie/userfiles/file/78861810472.pdfIn PDF document text
- https://berbagiangka.com/contents/files/xuribedibejurikorasibetot.pdfIn PDF document text
- https://muratay.nl/userfiles/file/dirotizawizexiwa.pdfIn PDF document text
- http://margheritango.it/userfiles/file/tevojavu.pdfIn PDF document text
- http://rebizplus.com/userfiles/file/tubaxotajor.pdfIn PDF document text
- https://laatjehuisweerstralen.nl/upload/file/6293445689.pdfIn PDF document text
- http://sbsedupatti.com/sbsedupatti/userfiles/file/dokodojexuzib.pdfIn PDF document text
- http://maslatalaia.com/userfiles/file/98652162569.pdfIn PDF document text
- http://expertworker.paraleumarian.ro/app/webroot/files/userfiles/files/95670583697.pdfIn PDF document text
- https://svarovanijelinek.cz/ckfinder/userfiles/files/dokitenotojivirunizunave.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/49306767985.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/98814575577.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/74035325729.pdfIn PDF document text
- https://cqhuaan.myhost360.cn/upload/files/09-30-20-08-43-16.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/4dZi1sgP-vI/uplcv?utm_term=bts+you+love+you+love+you+love+i+miss+thatPDF 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_off0000d8dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0EF | 18808 bytes |
SHA-256: ac41289eda350ad66c39e3a260cbe5155a278df763acc8c9df397180c97e6931 |
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font_02_sfnt_off0001209b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1209B | 10500 bytes |
SHA-256: 62694b8ad3e81c9ef20b090f865e2784bed264148244d96ae56a91f72ce82957 |
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