MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to disposable hosting or compromised WordPress upload directories. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a phishing lure or a second-stage payload via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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 http://edukoc.net/userData/ebizro_board/file/82902083627.pdf
- http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/50053147999.pdf
- http://miwon.com.vn/app/webroot/uploads/files/72998929060.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613301f60d2f4---gevariseroxedemenikomuwa.pdf
- http://belean.pl/userfiles/file/99732380698.pdf
- http://stellarp.com/userfiles/files/28477876374.pdf
- http://niengrangchuyensau.com/upload/contentFile/file/kesijorevobigebunufopawe.pdf
- https://alpasol.e-giant.net/upload/files/difugukenusuti.pdf
- https://atamergranit.com/userfiles/file/farututenitabekajunivoxa.pdf
- http://www.tsahimmongol.com/uploads/images/files/15587884729.pdf
- http://cp-1.ru/userfiles/files/zodikowogap.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/9eb13a563c31a953d250928a3e28a053/binagudonudobamubiwam.pdf
- https://egokituz.org/files/galeria/files/17268620101.pdf
- http://group-anons.ru/userfiles/files/97263942229.pdf
- https://sklepbonus.eu/userfiles/file/kulusukobuzivesowewizil.pdf
- http://espaciocultivarte.com/ckfinder/userfiles/files/77483705834.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161357cc5bc0e5---golij.pdf
- http://0575zl.com/userfiles/file/82400418045.pdf
- https://bimetoor.com/basefile/bimetoorir/files/74293297552.pdf
- http://tinhdauvietnam.vn/upload/files/najuworuwem.pdf
- https://sokolzgierz.pl/web/uploads/files/dobapevikivabuselufof.pdf
- http://futurepoolandspa.com/ckfinder/userfiles/files/56977586477.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/gc1bqkrm16kqm7piobgdgc6i7v/fomimowurukas.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0f66a2589---fatila.pdf
- https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/wepemesejixorukikalenitog.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=download+higgs+domino+versi+1.69
- 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_off0000ce80.bin7f1f927236a7434b4eb6eb72a6852f79c8b53c474e8ee5c263ae4cf316bc93d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE80 | 11204 bytes |
font_01_sfnt_off0000e856.bindd7b24ab800c3ea12d2d721906ad192b5f8012f9938025d985f3e5b9937cd682 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE856 | 17112 bytes |
font_02_sfnt_off00011498.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11498 | 16792 bytes |
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