MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains embedded JavaScript and numerous external links, many of which point to disposable hosting or compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://kleni.cz/userfiles/file/kuwemovetijopudububixa.pdf In PDF document text
- http://sp2wronki.pl/fotki/fotki/file/61401310935.pdfIn PDF document text
- https://www.hippocratio.gr/ckfinder/userfiles/files/gekofetexerabuliseruzabu.pdfIn PDF document text
- http://architettodrabeni.it/userfiles/files/mevejamuzilaji.pdfIn PDF document text
- http://nwatchonline.org/userfiles/file/lakesarizilewaxik.pdfIn PDF document text
- http://cleanking.net/userData/board/file/vuzegalutemojurunemu.pdfIn PDF document text
- https://yourdentist.ro/app/webroot/files/userfiles/files/98439149071.pdfIn PDF document text
- http://peach2560.xyz/js/ckfinder/userfiles/files/milin.pdfIn PDF document text
- https://berettyotv.hu/userfiles/files/38547451609.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/7966421029.pdfIn PDF document text
- http://chickenwild.com/upload/contents/images/images/60104936505.pdfIn PDF document text
- https://dbhattacharjee.com/ckfinder/userfiles/files/barikemitulikoberifikoduj.pdfIn PDF document text
- https://barrier.exma.cl/ckfinder/userfiles/files/talariwelega.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021090410150256.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/bddd07e4763d1eb603ed0006404a9d85/musinumavurobo.pdfIn PDF document text
- http://interface-referencement.com/userfiles/file/74646717409.pdfIn PDF document text
- https://cometsecurity.in/admin/userfiles/file/56869982334.pdfIn PDF document text
- http://purofirstli.com/userfiles/files/97433034376.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614324944b230---venuromopiwoda.pdfIn PDF document text
- http://www.rpv-drachten.nl/files/file/lefidujefupa.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/b55238d751807b7bc45b295accee927c/96355619585.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=roohi+full+movie+2021PDF 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_off0000ea4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4F | 10352 bytes |
SHA-256: 561d0c6fdd33b8c91618cddf788cb70b631ff22b5a4d0a8d340542e944ca10d5 |
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font_01_sfnt_off000101bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000119d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119D1 | 18916 bytes |
SHA-256: 08b55f8d9d56c204b6e4280e22241fd955b1585f5665676a2fb318b30e988cc7 |
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