MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. The document also includes numerous external links, some pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution attempt. The embedded JavaScript likely serves to download and execute a second-stage payload or redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://demircanticaret.com/userfiles/file/34639332037.pdf
- https://infotechb2blite.com/bot/ckfinder/uf/files/87222249356.pdf
- http://sumisaedu.com/FileData/ckfinder/files/20210921_2E887DD0D475F7DB.pdf
- http://ckud.handysociality.com/upload/files/doxupaveduduz.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135871a48a58---titalagosi.pdf
- https://vidaleve.ind.br/ckfinder/userfiles/files/74808393567.pdf
- http://hanasushimenifee.com/uploads/files/48647642326.pdf
- http://speckletrack.com/update/editor/file/68605792588.pdf
- http://abwbaltimore.com/uploads/files/vibafasosexexovibesomal.pdf
- https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/teravijovemarukimurujos.pdf
- http://hasadtemizlik.com/upload/file/70140222171.pdf
- https://bursakaynak.com/userfiles/file/xukuki.pdf
- http://sor1310.com/userfiles/file/99933110345.pdf
- https://brs.jo/userfiles/files/nunanigujaludejemazogaves.pdf
- https://imahima.xyz/js/ckfinder/userfiles/files/juzodareruzuwejovuwojo.pdf
- http://dolekkoyum.com/admin/UserFiles/file/nurumutesepewajedugo.pdf
- https://vientangluc.com/upload/files/76852780705.pdf
- https://santchavarabed.in/ckfinder/userfiles/files/zumopegigiduvawesidimi.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16145a165734eb---vosumogepim.pdf
- http://lindendirect.com/tempimg/file/wujirejezidegisawexodo.pdf
- https://hotelexpert.ro/uploads/files/7267817947.pdf
- https://webtechnocrats.com/upload/file/xirozidelosalam.pdf
- https://escolaalfa.com/userfiles/file/jesuxaman.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/f550e82a55d666e3d873ae4a1abb7a19/turukezezivurunevi.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/aaf40b06a31c2b05f570bd7e90193865/vemazis.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=pokemon+diamond+pearl+emulator
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b442.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB442 | 16792 bytes |
font_01_sfnt_off0000cc59.binaa30f2b4629580328382a98a91a0744ebb346e549fa6fa1fa0e5d1040ab2dfec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC59 | 10580 bytes |
font_02_sfnt_off0000e46c.binb6ee41b48d122ce5fa1ba96943d36d17fb7c38f9d55de76a692ffaef3300b4f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE46C | 15408 bytes |
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