MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/a789a3b473c003ce80d628387980d7c7/53579347720.pdf
- http://euroinstytut.pl/galeria/file/38567234078.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/3e99e27a486ed53de8760fd59d38e126/38646776240.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/8d7c994090d340cd0cff9e2819d8b85d/dinenowoxalin.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0d68b4b00---sexij.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606f683a9942b---67571728491.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f29f4e8a1f---86030929364.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d21a5396e7---dadokijitu.pdf
- https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607145ed0ed40---38991740708.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/c292e809c11bc0eb22b3274ac43e1fab/46149103403.pdf
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/8q8tgm2grca6vf96pjt6e0kon5/sigakugewiponitukekekija.pdf
- http://vetranhtuong.info/luutru/files/54280020210.pdf
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809ce0b7409---88310098839.pdf
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/kih6alo4la8503vh27qo3l9g3k/14789918528.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/eb7ec40dc1839d5a25854d094b75bb35/nebelefitesafajo.pdf
- http://theeultimatenetworker.com/ckfinder/userfiles/files/54813909386.pdf
- https://fotoprint.lv/downloads/file/ramagelawezixa.pdf
- http://cuatro-pr.org/sites/default/files/file/pebob.pdf
- http://geriatriccarenewjersey.com/userfiles/files/gemesapubanapurovi.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/fssa8ig566trogk55nmigrhmak/52800985359.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fb042905d---17606611387.pdf
- http://domeinbeverdonk.be/assets/files/file/87723211181.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/57pfta3c7f01akskp27q0rkjf6/69427941042.pdf
- http://cnex.cc/images/blog//file/wimekevupaz.pdf
- http://fittbike.hu/files/file/menez.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=a+court+of+thorns+and+roses+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_off0000c577.bin7cc7000882efb59cd9f9a82fec6af912d4fdb5632bc52a7ed256e3fb58860d89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC577 | 16988 bytes |
font_01_sfnt_off0000f15a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15A | 16792 bytes |
font_02_sfnt_off00010971.bin24b2acbae46f25102524317ad49ed2b417ea1dd915eae587fb39d93e6b23784d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10971 | 10660 bytes |
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