MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded JavaScript indicates potential for further malicious actions, such as downloading additional payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://carnow.jp/js/upload/files/ludomebipun.pdf
- https://bawaniint.com/ckfinder/userfiles/files/venoberu.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/d2kh8prgv6j9vcrhgjv65elht9/45658743981.pdf
- http://nfraccon.org/userfiles/file/68290482079.pdf
- http://naoshima-habitant.com/images/blog/file/xibakarofaromixi.pdf
- http://akekaluck.com/ckfinder/userfiles/files/25243243153.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/uua0fta97q5ccqb1aovdkg6qt0/vanoxepudogem.pdf
- http://rsport.eu/yonexshop/static/file/80075275330.pdf
- https://theelementrama9.com/userfiles/files/78846329077.pdf
- http://marcus-1.com/FileData/ckfinder/files/20210916_A5360EC7DF42CFED.pdf
- http://sushimura1.com/uploads/files/76808026457.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/65fc95528a6ab5c23635656b2347d0aa/dalitoxo.pdf
- https://minipowerpack.net/upload/files/dexifupidesidufugewufetu.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/k676c2g198ksv8ndl1ua647e80/83216894514.pdf
- http://puzynowska-kancelaria.com/userfiles/file/8548872763.pdf
- http://ladyvenus.it/userfiles/files/56359671364.pdf
- http://szyqjsj.com/UploadFile/file/20210902203900227.pdf
- http://gmtshipping.com/attachment/file/kusuborawirevaradovaram.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/4e7dcc47cbf468585427ba042c8d4966/pasapagefasoripajenu.pdf
- https://jbdclothiers.net/emailer/userfiles/file/16308903352.pdf
- http://smolninskayahotel.com/userfiles/file/fulorudemutesu.pdf
- http://eros-arena.name/eros/userfiles/file/kokediguxifesalerotiwulil.pdf
- https://optical-axis.com/uploads/files/202109061305547755.pdf
- http://files.ibiza-ferien.de/file/muwamubevexe.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=wifi+password+master+mod+apk
- 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_off0000b803.bin311cd7eea1419decc8760a977d1cd6ed9e15685e2fedff0eb4cbac01b5350f1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB803 | 19404 bytes |
font_01_sfnt_off0000ea3f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3F | 16792 bytes |
font_02_sfnt_off00010256.bin99b4df9eb02526043e1d1513c889f2be29de2a17181189b93ba161dd2cbaa343 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10256 | 10680 bytes |
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