MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, many pointing to suspicious domains and forming a link farm, suggests an attempt to redirect users to phishing or malware distribution sites. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or credential harvesting campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://gz-theoutfit.com/UploadFiles/FCKeditor/20210913153725.pdf In PDF document text
- http://garankuccu.com/upload/fckimagesfile/3893e49152cb3c627b068c2394120dfa.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/73160810468.pdfIn PDF document text
- http://damvua.com/damvua/public/images/files/gusozolulezumoba.pdfIn PDF document text
- http://lnv-cnc.gr/userfiles/file/57669737948.pdfIn PDF document text
- http://gospelpour100voix.com/fichiers/newsletter/file/56399653968.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/161422278d6620---10291836770.pdfIn PDF document text
- http://bienbao.net/uploads/files/17769358853.pdfIn PDF document text
- http://gemwishrs.com/ckfinder/stones/files/90554675937.pdfIn PDF document text
- http://xn----7sbjvweekof5d.xn--p1ai/files/files/27560236186.pdfIn PDF document text
- http://konberdbio.com/upload/files/60856662378.pdfIn PDF document text
- http://innotack.com/userfiles/file/70657583887.pdfIn PDF document text
- http://studio5r.com/userfiles/files/33795194605.pdfIn PDF document text
- http://xiangzhuan.tw/upload/files/wijafawazitekefezajov.pdfIn PDF document text
- http://eclickapps.in/userfiles/files/71722615610.pdfIn PDF document text
- https://riolospettacoli.it/filesUploads/file/21022491549.pdfIn PDF document text
- https://hgb.se/filer/file/suwopikajemidajugodelanim.pdfIn PDF document text
- http://infas.cz/images/wiswig/file/69664169020.pdfIn PDF document text
- https://mptradingcompany.com/userfiles/file/lizubukituwodijinawugabo.pdfIn PDF document text
- https://demetraproject.eu/ckfinder/userfiles/files/2589399833.pdfIn PDF document text
- https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/xikesuvupefusejidusugam.pdfIn PDF document text
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/76670664156.pdfIn PDF document text
- http://monterroso-construpuntos.com/campannas/file/lanemodutifarimosos.pdfIn PDF document text
- http://szguilong.com/userfiles/files/kusakutisi.pdfIn PDF document text
- https://marblo.marblobaths.ph/app/webroot/img/files/bigolexenojin.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=get+10+instagram+likes+freePDF 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_off0000e4a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A5 | 10740 bytes |
SHA-256: 9bcca771c500b748be74433d474d0814958c66438bf54f313006ca971761f24a |
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font_01_sfnt_off0000fd64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD64 | 17212 bytes |
SHA-256: a3416c3e0a1984107334e6ed361e25d45c291f2ac1de6ad284470577e32de93d |
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font_02_sfnt_off000129d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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