MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a large number of external links. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests a link farm strategy, likely to obscure the true malicious destination or to maximize reach for phishing attempts. The embedded JavaScript is a common technique for executing malicious code or initiating redirects within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://cloverdiamond.com/file/37139540221.pdf In PDF document text
- https://predial-rua-nova.pt/056-CovadaLua/images-editor/file/7409182539.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16140147719fb2---bulosapivilewadovamipesi.pdfIn PDF document text
- https://wita.lt/images/files/jozojidabekojedekadovonax.pdfIn PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/64792377936.pdfIn PDF document text
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/54482636839.pdfIn PDF document text
- https://pingthye.com/userfiles/files/sofevofotofamodako.pdfIn PDF document text
- http://namjapizza.com/app/webroot/files/29103918181.pdfIn PDF document text
- http://markjfox.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bawiwovufif.pdfIn PDF document text
- https://er-cardiff.com/eurostyl/photos/file/jitorex.pdfIn PDF document text
- https://iqmuseum.mn/uploads/files/57813794120.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614102fa30e00---tuvinuruxofejuz.pdfIn PDF document text
- http://jhdjt.com/images/upload/File/dipalesu.pdfIn PDF document text
- https://spandoekland.nl/userfiles/file/40098077698.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/nabesosaniwobi.pdfIn PDF document text
- https://abrasco.org.br/ckfinder/userfiles/files/52214714646.pdfIn PDF document text
- https://elmawadah.com/userfiles/file/81891518537.pdfIn PDF document text
- https://qfse.co/images/uploaded_files/ckfinder/files/1631145323_dde5c587a7.pdfIn PDF document text
- http://benetworkingpro.com/ckfinder/userfiles/files/zirukiwenawewigikowotoxa.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/lasolope.pdfIn PDF document text
- https://luatkhangthai.vn/upload/fck/file/6487297674.pdfIn PDF document text
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/libogelagafa.pdfIn PDF document text
- https://solturism.ro/images/file/48906888466.pdfIn PDF document text
- http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/72531160674.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021091417375228.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=ludo+clone+appPDF 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_off0000dcbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CF | 16884 bytes |
SHA-256: 393216b8e30a13f5b0b1ae8174ebf0b4f2c51f25b9dda3f2717689404c7dac29 |
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font_02_sfnt_off000120eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120EB | 10108 bytes |
SHA-256: 12211d3880ab2ac0ae241bbf2224bda3a661d08ba8ad5874ced71fcb77530f2c |
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