MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating an attempt to redirect the user to malicious content or download a secondary payload. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. The presence of a visual download button further supports a social engineering lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://allytemp.ru/uplcv?utm_term=update+hay+day+2021 PDF link annotation
- https://cplastik.net/data/cms/file/vezeporoginatifeg.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/jupofadukowijer.pdfIn PDF document text
- https://sanghvicranes.com/staging/media/86703884305.pdfIn PDF document text
- http://eapver.com/upload/ckimg/files/202109072348279309.pdfIn PDF document text
- https://duongthuy.net/userfiles/file/28884882122.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/palixuvarumutaximodisifej.pdfIn PDF document text
- http://coytex.net/ckfinder/userfiles/files/nilebokudijotir.pdfIn PDF document text
- https://dveropolis.ru/upload_picture/xuwimed.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/xarefamegivazabol.pdfIn PDF document text
- https://smobiil.eu/userfiles/files/81021077458.pdfIn PDF document text
- http://archissimo.eu/userfiles/files/20702172772.pdfIn PDF document text
- http://gmart-express.com/demo/uploadpic/file/10245255384.pdfIn PDF document text
- https://pepinieramontana.ro/ckfinder/userfiles/files/84717163298.pdfIn PDF document text
- http://darangyi.com/userData/board/file/42266922902.pdfIn PDF document text
- http://zoldjogsi.hu/uploads/files/3093994794.pdfIn PDF document text
- https://srilangkapools.com/contents/files/5966732493.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/samekenusufudipudeporuz.pdfIn PDF document text
- http://stavo-bazar.cz/userfiles/file/72194633665.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/lasixupu.pdfIn PDF document text
- https://keiba-like.biz/js/ckfinder/userfiles/files/87123367151.pdfIn PDF document text
- http://debnine.net/UserFiles/File/60118605189.pdfIn PDF document text
- https://zilalcooling.com/other_files/File/wibiniboxulu.pdfIn PDF document text
- https://iqmuseum.mn/uploads/files/99095599814.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/45599113125.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_off0000d66b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD66B | 10272 bytes |
SHA-256: 78aa72d6b84b6c1e8ce7232134e3379347ea5892f13803ce354551bde5a6b61e |
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font_01_sfnt_off0000edc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC7 | 17724 bytes |
SHA-256: f58c2ea2b220bff318bef116fc86f5b2d76d5865f62b6eafd1da6ae9e71f66bf |
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font_02_sfnt_off00011bc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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