MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://pinturasoltra.com/images/slider/files/91582256408.pdf
- http://www.hermosabeachbungalows.com/userfiles/files/32177134498.pdf
- http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/vaposiwulotepowimikodivo.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b761bf82660---12240228181.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/0e735lu20nkt8cehm42ib86b5s/78429522780.pdf
- http://suankaew.net/upload/userfile/files/99482467388.pdf
- https://learningsolution.ca/userfiles/files/xifadujotaxoxedifelen.pdf
- http://assistance.uz/images/shared/file/30776562287.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/v1ufb3s3ullk9vlvu3qnhtb991/posanarepikawujofifogutub.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/fd2ad84e5d0d14b01e45c91e5e692211/sepavut.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/9a976f033c00a31b3dae25f3e32d6ce3/72867787323.pdf
- http://saddabro.com/userfiles/file/30036386764.pdf
- http://aftckwt.com/uploads/file/xanigovifuru.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16104d76f461d2---waruvipoxafonofu.pdf
- http://chiengthai.com/file_media/file_image/file/77945133698.pdf
- https://i-chat.tw/js/ckfinder/userfiles/files/36727345376.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/44e957b451ea6acdf1c66671b3608ef3/30279631990.pdf
- http://worthingtonpark101.com/userimages/43852798191.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/0ab8ffd1bc3fb7291e2f651f71769f0e/72019313647.pdf
- http://gocreate.termall.pl/upload/fck/file/demujemafu.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2cbc3f7d3---juzigasanatuzudedipegazu.pdf
- https://steammining.com/userfiles/file/potofu.pdf
- https://plentis.eu/ckfinder/userfiles/files/79307105304.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/v5ns4u64teapn8nrara232nksh/47984683665.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/460rj95dnfn7r82762neus7qfv/xolakodu.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a89a7b79949---7991994915.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=college+life+over+quotes
- http://e1pl2.nazwa.pl/busy/fotki/file/59894600342.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_off0000fc64.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC64 | 16792 bytes |
font_01_sfnt_off0001147b.binbc27f0aef9ff0610215a59921ba2dc43361fc355c30a69104b3d2743a7c7b5e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1147B | 10464 bytes |
font_02_sfnt_off00012c24.bin14bc4bad62702379f473c82a2900feba6ed652a42640a726c59a9f2e48819bd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C24 | 18844 bytes |
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