MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs suggest an attempt to direct users to potentially malicious or phishing sites. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://pro-roubenky.cz/UserFiles/File/zutupuwumodup.pdf In PDF document text
- http://sxnqx.org/upload/file/Fl202109070655549015.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/file/lezumomomunojakusamoda.pdfIn PDF document text
- https://basalyemek.com/ckfinder/userfiles/files/kesokokobowaminor.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/31346490379.pdfIn PDF document text
- https://gfwofficial.com/ck_imgs/files/gomofenafedevebe.pdfIn PDF document text
- http://baovevietnam-vnss.com/upload/file/36071210508.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/lufejap.pdfIn PDF document text
- http://maremio.ru/admin/ckfinder/userfiles/files/kazutiwivodagupapikedub.pdfIn PDF document text
- https://millvalley.com/wysiwygfiles/file/9341678364.pdfIn PDF document text
- http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pabafukiloratemino.pdfIn PDF document text
- http://stihoplet.by/upload/editor/files/levevi.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161399c6b9abb8---mujezugubitajovoliboj.pdfIn PDF document text
- https://nstyapi.com/resimler/files/bufijibe.pdfIn PDF document text
- https://landatur.com/files/galeria/files/zigaxanarimusogilonu.pdfIn PDF document text
- https://pima-alarms.eu/slicice/file/60616902958.pdfIn PDF document text
- http://longthinhphat.net/uploads/files/82368569926.pdfIn PDF document text
- https://hizlipin.com/calisma2/files/uploads/xaledapazomatavedu.pdfIn PDF document text
- http://ekmeta.lt/failai/file/83409137992.pdfIn PDF document text
- https://everestart.com/images/stories/file/walemipifipifugaxomijawil.pdfIn PDF document text
- https://dolmalatrek.com/userfiles/file/88764461551.pdfIn PDF document text
- http://capriololaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18658261126.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/t3skt58bnl8u5u4t742un6sbg1/bedepowelujakipojiregigaw.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/202195946399409.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=best+app+lock+in+play+storePDF 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_off0000d971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD971 | 10628 bytes |
SHA-256: abeb4cf269b4d3734d97a3788903f479c3cc6258ba5938b8d51a0c7008c9d962 |
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font_01_sfnt_off0000f1f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F2 | 17812 bytes |
SHA-256: c78d949bc9412887727a69b5b342600a489ef024d63c12f570d900885f7ea65d |
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font_02_sfnt_off0001200d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1200D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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