MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users. The PDF also contains numerous external URIs, many of which point to disposable domains, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via external links.
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://garankuccu.com/upload/fckimagesfile/4fcf0f0af008cdd0a9f2271087452aaf.pdf In PDF document text
- https://ww150007.linebot.net/upfile/files/20210901090634.pdfIn PDF document text
- http://land89.com/ckupload/files/92618156646.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/79493170649.pdfIn PDF document text
- https://markmont.eu/editor_uploads/system/files/82382244305.pdfIn PDF document text
- http://colorfulmedia.de/fotki/fotki/file/92360111349.pdfIn PDF document text
- http://tufaghanafc.com/js/ckfinder/userfiles/files/dunaxuwosowugatisujumujo.pdfIn PDF document text
- http://studioturina.com/userfiles/files/relegogasijanixub.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/pafeviw.pdfIn PDF document text
- https://birudongker.com/contents/files/99781744800.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615043728ffe3---xinozulikiruxoge.pdfIn PDF document text
- http://ckm-machinery.com/userfiles/files/49369626697.pdfIn PDF document text
- https://dazhonghua1688.com/ckfinder/userfiles/files/vefijuzekede.pdfIn PDF document text
- http://lactopad.com/uploads/files/69123814680.pdfIn PDF document text
- https://samsungklimamodelleri.com/upload/ckfinder/files/refev.pdfIn PDF document text
- http://kossuthdigisuli.hu/userfiles/file/92087259392.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613e841497141---68089141279.pdfIn PDF document text
- https://interno-kazan.ru/upload/files/jixarijej.pdfIn PDF document text
- http://hoinhikhoavn.com/img/files/ponerobiruvefaguwi.pdfIn PDF document text
- https://idroilektriki.gr/files/file/gonunovijapokajoranufuneb.pdfIn PDF document text
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/80080813967.pdfIn PDF document text
- http://flagrant-desir.com/userfiles/file/gepepamasinepufa.pdfIn PDF document text
- https://lensmam.com/userfiles/file/tovemupozixadifuxuw.pdfIn PDF document text
- http://snkpost.com/fckedit_file/file///20210919_9_56_25.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=chrome+apk+modPDF 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_off0000b4cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4CC | 16620 bytes |
SHA-256: b30c454233035bdb3da1cf67d96a37ed331afa6b3acdd0d0f7cd8bca450029b5 |
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font_01_sfnt_off0000df94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7AB | 10272 bytes |
SHA-256: a5d07ef638a98cd609ed3ab4e2f02b78002a196281dc11d2f268024be630688a |
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