MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable hosting, and one directly to an IP address, indicating a link farm designed to redirect users to potentially harmful sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document's primary purpose is to host a large number of outbound links.
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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 http://hsi-international.com/ckfinder/userfiles/files/fizesejeditopi.pdf In PDF document text
- http://fresh-j.info/images/uploadedimages/file/3466853442.pdfIn PDF document text
- http://firmen-bekleidung.at/userfiles/file/38814619181.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20210912011110622.pdfIn PDF document text
- http://tdvvietnam.vn/webroot/img/files/40273167971.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/50316446023.pdfIn PDF document text
- http://nprofit.hk/userfiles/tafojimomutatunutaterofu.pdfIn PDF document text
- http://toitureetfacade.fr/data/Files/9063114828.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/zodojurajufoparimo.pdfIn PDF document text
- https://tasleemdubai.com/userfiles/files/ralobo.pdfIn PDF document text
- http://vimar.ua/userfiles/files/vimowunujowatovuvumon.pdfIn PDF document text
- http://farmaciafasolis.eu/userfiles/files/77302928769.pdfIn PDF document text
- https://sportsht.com/userfiles/file/vunewotululomekirikeruj.pdfIn PDF document text
- http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/xizetasolawi.pdfIn PDF document text
- http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/81916259977.pdfIn PDF document text
- https://terracell.pt/images/file/zesomu.pdfIn PDF document text
- http://seksdagen.nl/userfiles/file/suxagol.pdfIn PDF document text
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/31294970308.pdfIn PDF document text
- http://ccsctda.com/ckfinder/userfiles/files/20210911_021707.pdfIn PDF document text
- http://yarpb.ru/pic/userfile/28493944057.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16144fb9a27fa5---39783905369.pdfPDF link annotation
- http://alda.pl/ckfinder/userfiles/files/memadaretebofisulejes.pdfIn PDF document text
- http://drumlockingclamp.com/FCK_Editor_Images/files/befobozasolewuwakan.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=jak+odzyska%C4%87+usuni%C4%99te+zdj%C4%99cia+z+telefonu+samsung+galaxy+j5PDF 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_off0000da0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA0C | 11788 bytes |
SHA-256: 79e45a3101ff10eaae3236cca6c5b9fb527f899c62c3f169d98ee2d547acdf5c |
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font_01_sfnt_off0000f599.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF599 | 17120 bytes |
SHA-256: 57a5ea86df3c81679b904760a8013cd3e273ddc1dd3cc5cbf30511ec9f0f9d68 |
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font_02_sfnt_off000121c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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