MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for delivering malicious content or redirecting users to phishing sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous unknown URLs suggest an attempt to distribute malicious files or conduct phishing. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pushgroup.lv/userfiles/files/banikusu.pdf In PDF document text
- https://atkarisuli.hu/userfiles/file/39958302879.pdfIn PDF document text
- http://podhoru.cz/userfiles/file/kabasigitelika.pdfIn PDF document text
- http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/69240787126.pdfIn PDF document text
- http://bilafafafa.com/shopadmin/upload/files/tutajajapunegazamom.pdfIn PDF document text
- http://covina.crazyrockinsushi.com/uploads/files/88869716636.pdfIn PDF document text
- http://hmsendo.pl/uploads/editor/file/jupojutubawenaziwoxulexu.pdfIn PDF document text
- http://abwsalisbury.com/uploads/files/sutukiridaporutugilifi.pdfIn PDF document text
- https://imad0c0.com/js/ckfinder/userfiles/files/nubitugubamuwaxujudavad.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/jeruxu.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/31b7df1dfdd5edfd559e120a053967bb/84672968059.pdfIn PDF document text
- http://okna-kursk.ru/page_edit/_samples/userfiles/files/89353141914.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/93172733025.pdfIn PDF document text
- http://finadev-groupe.com/userfiles/file/12706212902.pdfIn PDF document text
- http://designerhouse.ru/upload/files/fimazawufu.pdfIn PDF document text
- https://kvzriu.org/images/file/37834350091.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/julomane.pdfIn PDF document text
- http://thesciencenetwork.org/uploads/files/lojadukosuduxamubuk.pdfIn PDF document text
- https://nycsmindia.org/ckfinder/userfiles/files/dusufoxojewevoposu.pdfIn PDF document text
- http://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/83667906202.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/9e62e0767c4cd7e0dd2656f0e32e6633/pekafubesetojesagavone.pdfIn PDF document text
- https://bwhe.in/ckfinder/userfiles/files/mupupu.pdfIn PDF document text
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/64943134370.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/52862572671.pdfIn PDF document text
- https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/82303162406.pdfIn PDF document text
- http://evpltravel.com/xv_image/file/gakevaxupusorug.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=oxford+phonics+world+4+student+book+pdfPDF 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_off0000c620.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC620 | 20588 bytes |
SHA-256: d037327dc0a1859489e6c0423efa0a686191c2ebfb6da2b6b58b251ea7e9ef6e |
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font_01_sfnt_off0000fc02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11419 | 11180 bytes |
SHA-256: d2ad15fccd26005fb08cb95437eaedf3a40980cd1d4bb1c12cdb31a82d3cd801 |
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