MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm pointing to compromised WordPress sites. The embedded URLs suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment. No scripts were extracted, but the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://crysiq.ru/uplcv?utm_term=outline+on+text+photoshop
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb90daf6e4---43603535412.pdf
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/rofepatafun.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/95035145749.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb9235240c---fadutonufevog.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/595cf238d065fb506b5adca0641a616d/68955190952.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/62ikmj6q7p4bm7rie5chedgj5s/65078566090.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d64e370be43---pisowek.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/8htlk8tccrnpgkru1njjn4i11d/vatavebuw.pdf
- http://hyundai-dongdo.vn/images/files/pamutedofowilifip.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160af903fe9885---dewalubinar.pdf
- https://aymexco.eu/ckfinder/userfiles/files/73863911092.pdf
- http://domusanna.it/userfiles/files/24573351208.pdf
- https://goldenapp.net/file/24220581817.pdf
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/8qoqqqr46lub79nehct7o2f4uf/sedaxovuzaza.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c3928612f---saguxote.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0345c8fa5a---jalosezelisinuboj.pdf
- http://shosholoza.de/file/ruxupikofan.pdf
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/217d48161edaa8df913eba454e1a53d4/lalogubowizixo.pdf
- http://hpworld.hu/data/pic/Image/file/fawubilifilu.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/9e4d2da8821273eb94e1b8f4c57eeeb8/xutirepixavawerasafebovi.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f22c2af5bd---talomafoju.pdf
- http://gorisum.net/fckeditor/upload_file/file/71846101532.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/3v7tu7vb568fnrt2p33t3k7mm2/dibanimoguwotedo.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_off0000ea7c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7C | 16792 bytes |
font_01_sfnt_off0001028e.binf17028c19ad03724083373e631aaaefb33968680e19889450bfedd43bd28801c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1028E | 16704 bytes |
font_02_sfnt_off00012e0a.bin4a2b9305a797a0fa784823a093f85be8263b79b712d0169f2cbcebd8d4d179cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E0A | 10316 bytes |
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