MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites. The document body, though heavily obfuscated, suggests a lure related to updating Android phone software, aiming to trick users into clicking on a link. The presence of numerous external URIs, many pointing to potentially disposable domains, further supports a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://designerhouse.ru/upload/files/29544280007.pdf In PDF document text
- http://enidental.com/userfiles/file/20210904233825.pdfIn PDF document text
- http://harnettcountyhba.com/userfiles/file/mezegedisivinil.pdfIn PDF document text
- https://reklama71.ru/upload_picture/zumitox.pdfIn PDF document text
- https://marblo.com/app/webroot/img/files/7810815576.pdfIn PDF document text
- https://emotionalgift.com/ckfinder/userfiles/files/16186557286.pdfIn PDF document text
- http://mezon.jp/userfiles/file/4394571948.pdfIn PDF document text
- http://zkqzl.com/uploadfile/file///2021090522280571.pdfIn PDF document text
- https://www.l-games.jp/js/ckfinder/userfiles/files/9172717693.pdfIn PDF document text
- http://thcsducthang.pgdbactuliem.edu.vn/ckfinder/userfiles/files/tamexole.pdfIn PDF document text
- https://atpl.aero/ckfinder/userfiles/files/19026029436.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/25896282214.pdfIn PDF document text
- https://tour-paris-guide.com/cite_imgs/file/52753204687.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613386117e207---7641986155.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/sirexi.pdfIn PDF document text
- http://engineersclasses4competition.com/files/others/10459303663.pdfIn PDF document text
- http://numere-mopede.ro/mm/file/67097906239.pdfIn PDF document text
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33618629169.pdfIn PDF document text
- https://manhalhealing.com/userfiles/file/11546413606.pdfIn PDF document text
- http://semihkerpiccilervesupersound.com/upload/file/5184921247.pdfIn PDF document text
- https://lostfoundglobal.com/userfiles/file/kamewapefalupofuwu.pdfIn PDF document text
- http://mwflower.com/upimagesfile///zarepapipuwemu.pdfIn PDF document text
- http://boxshop.mn/userfiles/files/wemuviwi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=update+my+android+phone+softwarePDF link annotation
- https://rt9.rspo.org/ckfinder/userfiles/files/biwesejivuvafubawokiz.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_off0000c746.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC746 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF58 | 17044 bytes |
SHA-256: 95b998372c92e5ccca52c472c3a647fad8346b49b4a928d673dacacf90116a70 |
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font_02_sfnt_off00010ba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA3 | 10924 bytes |
SHA-256: 846cdf6f74ba20eab91b82b6e36fe43ba9ab95ef03fdf561eeaae68d3204dd18 |
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