MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate this PDF is malicious. It contains numerous links to external sites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/0fbc647f807b80bb95ea187fe1991084/91609929792.pdf
- http://www.pranabkumar.com/fckimages/file/furukitarulup.pdf
- http://prestopc.it/upload/file/24509911126.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/35083717023.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/b893d4ce0a2a01535ab7fd31bcb9e03d/xuganilitowazamavalu.pdf
- http://versobrokers.eu/userfiles/files/sonebudolutugol.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/805f1a7db465448848d93ac1a38d6c34/wilujakajuninak.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/fd48ed0d3cc9c39502e886fd178f15c9/didosuweven.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c910c266ac---nirane.pdf
- http://szyldkj.com/luodan/images/userfiles/file/kokujituvir.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/9a8bad792e1abd5396a199d09dc70da4/vuxorezekaron.pdf
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/stdva05nujn82rs0d3o7j7q3kn/13145155542.pdf
- http://klhl.com/userfiles/file/14960694750.pdf
- http://ty6600.com/userfiles/file/wedavipijinujamesawog.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0856e37dc---80170846754.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/3be6f80f06ff90c73b3167a20474a93c/96361422218.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/5atfll5mhsghtj902mmt4mmvf1/64652986761.pdf
- https://zevkotodoseme.com/upload/ckfinder/files/98552361369.pdf
- http://brmxn.com/userfiles/file/20210515184757_xib3gr.pdf
- http://abeess.com/userfiles/file/rukilerapagisozelu.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a06c952af66---15501087894.pdf
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/327d79b4e1ae4e709329324da5b4ec24/62071460042.pdf
- http://efuturesthai.com/uploads/file/vixezofipazemijegadolip.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=open+source+pdf+to+text
- 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_off0001015a.bin016b5db5e2b43a6ee18beaf89f4fb590ea66e8ce7c8a50f74ae2bc1d81a7ffaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015A | 10540 bytes |
font_01_sfnt_off00011989.binf5ed176cb65c86fea5a976e8e58ca47b6f92bff8fd708058a61ad3f202ebcd51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11989 | 17828 bytes |
font_02_sfnt_off0001482d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1482D | 16792 bytes |
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