MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection indicate this PDF is malicious. The presence of embedded JavaScript suggests it is designed to exploit a vulnerability and download a second-stage payload from one of the numerous external URLs. The link farm heuristic further supports the malicious intent by pointing to multiple disposable hosting sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://hanomanberjaya.com/contents/files/nenit.pdf
- http://fashionflutters.com/ckfinder/userfiles/files/maparus.pdf
- http://tinhdauvietnam.vn/upload/files/sivobutibiferud.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c865800650---35906631956.pdf
- http://foto-preiss.at/upload_files/files/zoxanajabimubam.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3c64db221---91882273653.pdf
- http://studioagm.it/userfiles/files/luzofozazalebusekokinaf.pdf
- http://sitoad.com/bbqjoekey/files/202106072127499049.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d676127d27b---sojotodaxefowu.pdf
- http://webdulich.com/js/ckfinder/userfiles/files/65349582176.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b1c3de951---25495381884.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/ade8b34f89cde8d9273f07f73665ae09/57863740097.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/85bc3619112ae2e98842ec3ad3f2f7de/dodin.pdf
- http://al-bandak.com/userfiles/file/73679316967.pdf
- http://www.ambatownship.com/ckfinder/userfiles/files/37962781147.pdf
- https://hbfilm.ca/resimler/files/femixija.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7c885c92d---49422180037.pdf
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/42913205451.pdf
- https://opsclown.it/ckfinder/userfiles/files/40958084141.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607223b4a3a7f---sipawebemovuk.pdf
- http://fruitvita.com/files/files/61141059384.pdf
- http://partnerplus30.ru/images/fornews/files/7310977036.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=black+and+decker+single+serve+coffee+maker+manual
- 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_off0000d872.bin69e9d73dc93b397333b9ff830148eef3d9ab9946f99958438c62ccb99d7f3450 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD872 | 11032 bytes |
font_01_sfnt_off0000f1f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F6 | 16792 bytes |
font_02_sfnt_off00010a08.bin021085cfa6170793a4f5e2a8984e2993a50d0b6b77aef6916d3920f5896c5101 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A08 | 20156 bytes |
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