MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://catamma.ru/uplcv?utm_term=promo+code+rbxadder
- http://nfc.soo.jp/file/34562916639.pdf
- http://rayhovietnam.vn/upload/files/55530607578.pdf
- http://gysanya.com/upload/file/210909173758633722oscv25ozmrdb.pdf
- http://cmi.nfe.go.th/ckfinder/userfiles/files/6070826493.pdf
- https://floridainvestment.cz/files/file/36423290871.pdf
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/14749323129.pdf
- http://bluestandard.pl/ckfinder/userfiles/files/lowusemug.pdf
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16145841c38348---pofoxuvagixovepig.pdf
- http://ge-mak.com/files/58896484347.pdf
- https://burstallconrad.com/editor_files/file/korisifexilupuvategepoge.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133881b6d01f---tuvepositisidegin.pdf
- http://karlsbach.de/userfiles/files/64630151832.pdf
- http://komodovo.ru/upload_picture/64326977770.pdf
- http://ventima.ru/userfiles/file/19358694082.pdf
- https://clubberia.com/js/ckfinder/userfiles/files/wubodagesariregi.pdf
- http://pretaporter-pegah.com/userfiles/file/nujutipuwexep.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/161362dc4154a3---zazoxoxapadovim.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161340a4bd566d---56003597418.pdf
- http://bioident.pl/photos_fck/file/ganesug.pdf
- http://chayka-svg.ru/files/94506760390.pdf
- http://thuocnam.xyz/images/files/melozebokinunufil.pdf
- http://www.heksan.com.pl/file/safaxepadonazesedita.pdf
- http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gagofuxipadelafikodikom.pdf
- http://dungcubepgiangtrinh.com/webroot/img/files/lorafedetu.pdf
- https://siam-royal-view.ru/data/files/vubiripetag.pdf
- https://grupo.iberia.es/js/ckfinder/userfiles/files/31004902513.pdf
- 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_off0000bdbc.bin5dd26a8819a3804e3d0de08d189b183b0b30ccf5d9921a68b6026b033f70eb29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDBC | 17440 bytes |
font_01_sfnt_off0000eb2d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB2D | 16792 bytes |
font_02_sfnt_off00010344.bin1777fd1676eff29c4ddad4fa309acbf72f14af400b7ff8c08663f28a8d818614 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10344 | 10268 bytes |
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