MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or conduct phishing. The PDF itself does not contain readable text, but the heuristics indicate a deliberate structure for hosting numerous links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c61c978d54---nawaxonizifimotatipinopu.pdf
- http://naucseto.cz/storage/47335037630.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/27714943a15f758b1fada4f3c63ef23a/10260470851.pdf
- https://vivaldiroberto.com/img/files/mediafiles/file/vipuliwitadibuvok.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/4da316e4efd0fc37830aaf6921e1f3bd/watufopor.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/6osmudaje54qjv6isv2li2qehu/53514778724.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160799d5832d58---xofefibalozijilapide.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d76da9e933---5803348063.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160992837a66cc---41370170142.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/mmvm6v79ce4k4toangp2mhmfds/gigur.pdf
- http://elm3rad.com/file/27417298754.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/1podvig4o2ki64g59o4d8netd9/42697852057.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608075791d056---61734072068.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/52c58c2b96a67b7633bcdbecfe31ef9c/jaxalubejegul.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/j1hqrpsdmll63dgoeu12fn19oc/palijakezitogupox.pdf
- http://allycatering.com/userfiles/56835684986.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7999caeec2---zejadibur.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbf936a171---99855849449.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/mjkpv16vpob7v9ntcnu0vfuert/72517482024.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba0ad9701c---76869100210.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b643d1807d8---titulimewawewigodopef.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1ddd58e00---piserogebuwutonunotenoto.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c80d9c19e1---dapepujovawotabaxadozuk.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b069387f5aa---vosugepowazo.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/563a3ee5295cc33a2e9557a93d10266c/damizanologigumufo.pdf
- https://chauphongasia.com/wp-content/plugins/super-forms/uploads/php/files/kk69vga85qp366gv62rjfsspe1/zaxugatosafi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=fifth+element+crossword+puzzle
- 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_off0000e5df.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DF | 16792 bytes |
font_01_sfnt_off0000fdf6.bina74b75411c04534975aef333bfe3dc96e636cf5ffa13e2a11b340dd44a0b5af1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF6 | 10948 bytes |
font_02_sfnt_off00011731.bina30063737f72fc11dc74904ce4fadf186f15f8e3dd0e8d5ba694bd33bec13026 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11731 | 17512 bytes |
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