MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojanized PDF. The PDF contains numerous embedded URLs, many of which point to potentially malicious PDF files hosted on various domains, suggesting a link farm designed to distribute malware. While no scripts were directly extracted, the PDF structure and heuristic firings strongly suggest it's part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://kleinschadenexpert.com/userfiles/file/bavutadafusoguxun.pdf In PDF document text
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/xafelegalitarebok.pdfIn PDF document text
- https://projektovanje.info/userfiles/file/62000903319.pdfIn PDF document text
- https://thehouseconcert.com/ckfinder/userfiles/files/87298835543.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021091309552080554.pdfIn PDF document text
- http://plantessentialoil.com/upload/files/gufoxaviwirewuwawaluwopop.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/naxujiru.pdfIn PDF document text
- https://petala.gr/userfiles/file/1921496033.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/2877084493.pdfIn PDF document text
- https://tonwen.org/userfiles/file/22282236913.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b926f538b1---66161000542.pdfIn PDF document text
- http://www.boldino-hotel.com/ckfinder/userfiles/files/91850066250.pdfIn PDF document text
- http://klimatyzacjaradom.pl/userfiles/file/20676128349.pdfIn PDF document text
- http://abpjse.news-read.com/upload/files/28821575332.pdfIn PDF document text
- http://sztarmedia.hu/_user/file/11340499805.pdfIn PDF document text
- http://duet-czluchow.pl/userfiles/file/63589473650.pdfIn PDF document text
- http://arisutour.com/ckupload/files/1837797129.pdfIn PDF document text
- http://bebaldebaran.eu/userfiles/files/gebevijukatanukeludaju.pdfIn PDF document text
- https://computerzone.pk/file/xewotafelesizesasewen.pdfIn PDF document text
- http://portalpr-b2b.es/img/user//file/_0222999001631522766.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+spoof+location+pokemon+goPDF 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_off0000ac37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC37 | 16328 bytes |
SHA-256: 6eecffbc5cf768eecd14d363c42c25622c95e018ffe750e742b5f58211c0c7d2 |
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font_01_sfnt_off0000d5b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5B0 | 10892 bytes |
SHA-256: 6a0e6ac393a99aebffc408467e8bef66d45cb6001cd30fa8cd1ab0260479bd85 |
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font_02_sfnt_off0000eef7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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