MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and a large number of external URIs, many pointing to disposable domains, suggests an attempt to lure users to malicious content or phishing sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm designed for SEO manipulation or traffic redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://mavachhaiphong.com/upload/files/14366801600.pdf In PDF document text
- https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/xizime.pdfIn PDF document text
- https://jgranit.pl/userfiles/file/ruwikonupabubogefuduwar.pdfIn PDF document text
- http://ldkxzzs.com/images/userfiles/file/bidelomaxasezevap.pdfIn PDF document text
- https://bliznacite.dvsportbg.com/files/duxovuboxuxil.pdfIn PDF document text
- https://clubforeducation.com/FCKeditor/userfiles/file/dixugijawodolinobok.pdfIn PDF document text
- http://moskvaznaet.ru/upload/files/22289125550.pdfIn PDF document text
- https://edusfera.pl/upload/file/7096017656.pdfIn PDF document text
- https://jiu-hang.com/upfiles/editor/files/vesetudovunuzegigewe.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/59966864131.pdfIn PDF document text
- http://sinice-rasy.cz/files/file/moxofulasafonitebanolasan.pdfIn PDF document text
- http://andreaslasnik.com/data/files/leniw.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/82654528089.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132af9e14fc8---90866425729.pdfIn PDF document text
- http://familiegravesen.dk/ckfinder/userfiles/files/naniwiboxivipufenak.pdfIn PDF document text
- http://houselandia.ru/files/limogomakibevudexomevo.pdfIn PDF document text
- http://thetestmag.com/userfiles/files/rozigobumumimumasadetimom.pdfIn PDF document text
- http://adirondackseafood.com/ckfinder/userfiles/files/sijopesosamalaji.pdfIn PDF document text
- http://dlevitin.ru/fck_editor_files/files/73008293810.pdfIn PDF document text
- http://seatraderhk.com/userfiles/30760829235.pdfIn PDF document text
- http://araratmebel.ru/img/file/87385917708.pdfIn PDF document text
- http://karpatskiles.ru/store/files/75253716490.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/39057411787.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16144ebe1db57b---pomibejofitafapazegusuba.pdfIn PDF document text
- https://lexcyberia.com/userfiles/files/jedobovenukota.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=stop+auto+download+whatsapp+androidPDF 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_off0000de37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE37 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF649 | 18280 bytes |
SHA-256: 37d6450e237f0a507b4b7fac2f5e602bfda190a00ab0a610463a04f7a85d05b5 |
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font_02_sfnt_off000125f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F4 | 10620 bytes |
SHA-256: 566dec3967eb5d706c0616c2c9f177549b46cc76cb554638cf8a924f262ae750 |
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