MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous external URIs, many pointing to PDF files, suggests a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the nature of the heuristics and the embedded URLs point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://efckrakow.pl/userfiles/file/89956018687.pdf In PDF document text
- http://yossy.biz/userfiles/file/37792178344.pdfIn PDF document text
- https://jungleflightchiangmai.com/Uploads/files/zememojapa.pdfIn PDF document text
- http://swvocal.com/data/se2/file/duzejaxares.pdfIn PDF document text
- https://onlinendttraining.net/files/tuluno.pdfIn PDF document text
- https://himalmanpower.com/ckfinder/userfiles/files/65984471617.pdfIn PDF document text
- http://tuvanluatdanang.com/upload/ck/files/wixixu.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613166b1981f5---84025082896.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/sasakudaxuzofukal.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/dedejavazinuvabulezu.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/11770410388.pdfIn PDF document text
- http://j-club.eu/userfiles/file/37490588814.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90691899552.pdfIn PDF document text
- http://myucmas.com/userfiles/file/sunenamuli.pdfIn PDF document text
- http://missteenqueenuk.com/userfiles/file/fitup.pdfIn PDF document text
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/pixisari.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/67396192845.pdfIn PDF document text
- http://balmybnb.com/t/tutorfirm/uploads/ck/files/talogilafoj.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be788d0c3f---92306451764.pdfIn PDF document text
- http://aotwresort.net/ckfinder/userfiles/files/95808689653.pdfIn PDF document text
- http://materialdeestudo.top/userfiles/files/43016125063.pdfIn PDF document text
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/tiluledipadijekimimilo.pdfIn PDF document text
- https://srinivasagroup.com/ci/userfiles/files/sajitefevedikibexotiju.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=hot+shield+mod+apkPDF 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_off0000d5fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE15 | 10536 bytes |
SHA-256: 30bfb0bcf165d34867a8012df51756bbb9ccd84b832bad0af31ec885dfce36b5 |
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font_02_sfnt_off00010606.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10606 | 18808 bytes |
SHA-256: 6e7fcaa3dadb77521755fb07e93949bc0c313fc859f49aa2b2328c3ab90353eb |
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