MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. It also features a large number of external URIs, many of which point to disposable hosting, suggesting a link farm designed to obscure the ultimate destination. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://boki.hu/editor_up/49650020517.pdf In PDF document text
- http://holidayservicemarsala.it/userfiles/files/waburof.pdfIn PDF document text
- https://saksisan.com/upload/ckfinder/files/lemifi.pdfIn PDF document text
- http://bedrucken24.de/userfiles/file/lusibetalimuro.pdfIn PDF document text
- http://sziszolg.hu/editor_up/jamituwigegumofamulofil.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/ebe80926c83bd8a2d114f717f4e5d004/dedike.pdfIn PDF document text
- http://hotspot-usa.com/js/upload/files/denaxadovovolosason.pdfIn PDF document text
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/lebutomapa.pdfIn PDF document text
- http://yournamebadges.com/withyourdog/cms_uploads/file/keronidafutiwasololimejan.pdfIn PDF document text
- http://malovanesklomh.cz/images/file/3443662394.pdfIn PDF document text
- http://kleinschaden-expert.com/userfiles/file/82170574994.pdfIn PDF document text
- http://gamax-moto.cz/data/dokumenty/28577689306.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202109071818079491.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161455b4d60e04---toguwusarewiwuvenibuj.pdfIn PDF document text
- http://ukwoodrecycling.com/userfiles/files/wikesimezaz.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/60663217557.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/72288188010.pdfIn PDF document text
- http://jump360.co/upload/files/20210908194818.pdfIn PDF document text
- https://unitytradefze.com/ckfinder/userfiles/files/wenelik.pdfIn PDF document text
- http://yoron.net/up/files/bovemubuwuxesisiloluvi.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/kukebuwikujabe.pdfIn PDF document text
- http://thibidi.vinadesign.info/uploads/images/files/83088869009.pdfIn PDF document text
- http://forglass.sk/userfiles/file/20100631443.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+know+who+see+my+profile+on+instagramPDF 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_off0000d4e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E3 | 11088 bytes |
SHA-256: 0a22c742160ea9e82fb245d091b527ddbeff9d8e407b3af4460eb46a0e461713 |
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font_01_sfnt_off0000ee95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE95 | 18400 bytes |
SHA-256: c6d6c5c9a0dc673e288c69006dd33757b1454ae6caff08bca229cdaebb8e27ea |
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font_02_sfnt_off00011e63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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