MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external links, with a high-confidence heuristic flagging a link to algorithmically-generated URL on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the redirection or execution of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 https://inwebjor.ru/uplcv?utm_term=connect+xbox+360+controller+to+android+bluetooth PDF link annotation
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145fcd95d0b3---jibajuto.pdfIn PDF document text
- http://pcwenhua.com/uploadimg/file/1630949336880057138.pdfIn PDF document text
- http://pincodehub.in/userfiles/file/mevon.pdfIn PDF document text
- http://nattukoottam.com/userfiles/file/38649800266.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16133fceda3cb3---17804510220.pdfIn PDF document text
- http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/98110809110.pdfIn PDF document text
- http://bestofbeer.ru/ckfinder/userfiles/files/4020813749.pdfIn PDF document text
- https://childrencareandliteracysociety.org/userfiles/files/masezolixerujukezugot.pdfIn PDF document text
- http://halmar.info/userfiles/file/82371447774.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/4186009485.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/xusosod.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210902014612_1479505682.pdfIn PDF document text
- http://agisma.ru/files/pages/files/vuvorogopobulekumuduj.pdfIn PDF document text
- https://aiaciran.org/cache/fck_files/file/zuxerekizumikelo.pdfIn PDF document text
- http://signauction.net/userfiles/file/tiviwiwuxatokub.pdfIn PDF document text
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/42725068022.pdfIn PDF document text
- https://home-consult.lu/userfiles/files/zotunalorupomokigamatima.pdfIn PDF document text
- http://nhasachnguyenvancu.com/Images_upload/files/rirotixoraperotux.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/wubuvogajufugemor.pdfIn PDF document text
- http://triple-a.co.th/ckfinder/userfiles/files/21861446818.pdfIn PDF document text
- https://ferado.vn/userfiles/file/96288591368.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/duwixixux.pdfIn PDF document text
- https://408of53crownstreet.com/assets/media/files/kamibabinoxowoxotu.pdfIn PDF document text
- http://www.puhito.hu/uploads/16909919995.pdfIn PDF document text
- 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_off0000d485.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD485 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9C | 11136 bytes |
SHA-256: 3c47c84c7b5cc5cb31e46ef75dfe7da3178f3463b65faaaffe0966ac11244698 |
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font_02_sfnt_off0001068c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1068C | 18008 bytes |
SHA-256: 6242984feb9a0c7e67ae1156e332b4d0e1f73b45d3d17add3ab5e8868fc506d4 |
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