MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host numerous links on disposable domains, suggesting a malicious intent to redirect users. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://lnshiyue.com/userfiles/file/20210902071952_2134984699.pdf In PDF document text
- https://satbietthu.com/luutru/files/1747486910.pdfIn PDF document text
- http://softwarefactory.nl/images/file/9260086220.pdfIn PDF document text
- https://landtop.com/filespath/files/20210909165427.pdfIn PDF document text
- http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44919491968.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/10597460199.pdfIn PDF document text
- https://zzhqhi.com/d/files/lijefafobirariguvakakapop.pdfIn PDF document text
- https://parisnordmedical.fr/docs/file/58895678666.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b2cfd4a3b---muduwivanozililoze.pdfIn PDF document text
- http://bigcool.net/webroot/img/files/23981214057.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/f4574000bbb90d40dedf2aa4383c3eaf/42369367416.pdfIn PDF document text
- http://dd-eng.com/files/files/38839728424.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/86969516870.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/57289426054.pdfIn PDF document text
- http://boldino-hotel.com/ckfinder/userfiles/files/2453608859.pdfIn PDF document text
- http://annassteen.com/ckfinder/userfiles/files/loduzetidojatisi.pdfIn PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/wufel.pdfIn PDF document text
- http://ulv-fogger.es/d/files/67159653556.pdfIn PDF document text
- http://ghefootmassage.com/fckeditor_userfiles/file/51734341881.pdfIn PDF document text
- http://brixtontaxi.com/survey/userfiles/files/95756753933.pdfIn PDF document text
- http://tikatalog.sk/_files/file/xekuvetunenibiwi.pdfIn PDF document text
- https://noithatkuongthinh.com/uploads/files/18917490961.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=build+a+truck+game+realisticPDF 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_off0000e387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE387 | 17948 bytes |
SHA-256: 1832e806c01b73901d3ca71a3b5939e3370a93eacbba9d058a29f2c2bf6c2406 |
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font_01_sfnt_off00011201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11201 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A18 | 10736 bytes |
SHA-256: 2b7dc255a6dff7bd9211b885eab57582a7df517693d1c988db634ba7d573ca17 |
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