MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and a machine learning model assigned a high probability of maliciousness. Heuristics indicate the document functions as a link farm, containing numerous external URIs pointing to potentially malicious sites. The presence of a QR code lure further suggests a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://www.meditech.cz/ckfinder/userfiles/files/45038956012.pdf In PDF document text
- http://koreadramatour.com/FileData/ckfinder/files/20210904_02C5CAB5358CC72C.pdfIn PDF document text
- http://petukmahaaaraj.com/userfiles/file/tevobiwukivivofes.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/vavarolegazowasewolik.pdfIn PDF document text
- https://sakkestadbil.no/userfiles/file/pomamane.pdfIn PDF document text
- http://vinhomeshaiphong.net/app/webroot/img/files/mumimagenafezotubiribekum.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/gebilukadiripibulalujudu.pdfIn PDF document text
- https://maconlux.ovh/userfiles/files/fufowizivusiz.pdfIn PDF document text
- http://esrafisek.com/images_upload/files/susowuxixas.pdfIn PDF document text
- http://wuxihemei.com/ckfinder/userfiles/files/20210902_094540.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614256585dbcf---32678885297.pdfIn PDF document text
- http://orthopediedelft.eu/files/kavidixuvisuvoto.pdfIn PDF document text
- http://elhammagazine.com/ckfinder/userfiles/files/xuvuxisoxida.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/fepofipineziwezexatope.pdfIn PDF document text
- https://plagij.at/ckfinder/userfiles/files/4970411938.pdfIn PDF document text
- http://dreamsurgerycn.com/ckupload/files/63917478679.pdfIn PDF document text
- http://ventensis.lt/public/ckfinder/userfiles/files/74824004919.pdfIn PDF document text
- http://ahzgbh.news-read.com/upload/files/zewubovakomuzewevidad.pdfIn PDF document text
- https://ladangmimpi2.com/contents/files/70439198020.pdfIn PDF document text
- https://linhquan-group.com/upload/ck/files/mirelunifuzul.pdfIn PDF document text
- http://dj-maily.com/uploads/pages/files/fodokuxego.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c76410e47c---3327890493.pdfIn PDF document text
- http://hairandoil.com/uploads/bifunipowigizujuribod.pdfIn PDF document text
- https://corpeverest.com/ckfinder/userfiles/files/savuboma.pdfIn PDF document text
- https://ienter.bg/files/wixiguzigevig.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=sncf+direct+androidPDF 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_off0000d93c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f14e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14E | 18040 bytes |
SHA-256: b001ec749bb2af7d440d51f4886cf92744891a45c7d7f5c0eaa7af031bdf82ec |
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font_02_sfnt_off0001205b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205B | 10328 bytes |
SHA-256: 7623deba693f8f15b81c25c27fb2852c33ed6e78090667e6d16a69b17e6707a5 |
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