MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a link farm pointing to multiple compromised WordPress sites and disposable hosting domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect the user to a phishing page or download a second-stage payload. The presence of embedded JavaScript (T1059.007) and the nature of the links suggest a phishing or malware distribution campaign, consistent with Spearphishing Attachment (T1566.001).
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://goez3.com/10005001208290177/ckfinder/userfiles/files/25335478780.pdf
- http://wx-test.com/upload/ckimg/files/202109041930439361.pdf
- http://gccde.com/downloads/blog/geust/files/kapupivakezufaboz.pdf
- http://hart-metale.pl/gimnazjum/userfiles/file/gezobatobibosopizaz.pdf
- https://alpinashop.rudy-ra.com/files/wabozal.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae335b30c4---71837156605.pdf
- https://maisonforville.be/documents/file/xomuzawadobuju.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbd8728948---56010327281.pdf
- http://szamosiszerviz.hu/feltoltott/files/zegusepomuxetolupepej.pdf
- http://anapro.com/ckfinder/userfiles/files/21975006543.pdf
- https://mimpishio2.com/contents/files/40394318696.pdf
- http://studioambienteterritorio.it/userfiles/files/43700563012.pdf
- http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/95228964467.pdf
- https://robustbrakes.com/administrator/imagetemp/file/13910703690.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/ffbd57017a4ef061754c8e26f40f94b7/redogot.pdf
- http://nontaromclinic.com/ckfinder/userfiles/files/437972973.pdf
- http://vodnik48.ru/content/file/46282371449.pdf
- https://groupunsur4.com/contents/files/49819078968.pdf
- http://thegioichuyendong.info/app/webroot/upload/files/pobarebizot.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/tetu7flujn28pl3adalmnel4fn/zotuganebuxuxatewapi.pdf
- https://monyetmesum.com/contents/files/9328848191.pdf
- https://dewalt-naradi.cz/media/upload/editor/file/91711768403.pdf
- http://pfmconsulting.org/survey/userfiles/files/62266301385.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=shareit+folder+in+android
- 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_off0000dc00.bina792209f792718ccda0bd6e2a1d3cd191cfaac3cd44832d91e368684ac81de0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC00 | 18052 bytes |
font_01_sfnt_off00010a5d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A5D | 16792 bytes |
font_02_sfnt_off00012274.bin73431de99494aeeb79c86fefaf9d1e1c6d9134c716050f4dd692626bac6a3722 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12274 | 10360 bytes |
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