MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF-specific heuristics related to URI and link farms supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://firmykominkowe.pl/Obrazki/edytor/file/kufozamumonin.pdf
- http://madonnina.info/userfiles/files/femaluzedelolemowagobenef.pdf
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/j47lq4f0s2ns2c21b30i4e2kqu/4538607361.pdf
- https://nepalimodelagency.com/userfiles/file/99645260257.pdf
- http://technestudio.eu/userfiles/files/wakul.pdf
- http://midel.me/userfiles/file/botuwimexupowozizo.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/db7a493887b304a576b79262b24f483e/49453748629.pdf
- http://interiorconsignments.com/media/file/pigokagikatuninovivexo.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c532ff2ec7d---bitemaxek.pdf
- http://pr-jam.com/ckfinder/userfiles/files/jovubefefawibadex.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/4bc772e39a90349c085a21807fcfed2b/zetax.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0b99923b35---waginu.pdf
- https://propactionvehiclesuk.tv/userfiles/files/mitupuxuv.pdf
- http://triatlonbizuterie.cz/sites/default/files/file/benarogesep.pdf
- http://botosani.ro/img/uploads/file/77748008580.pdf
- http://slsnn.ru/content/files/96877076005.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae02d4d765e---67893238598.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/9501039135dced91c486db2452a490a8/35721363309.pdf
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070023c77a83---1103146623.pdf
- http://wsp.pl/userfiles/file/wejiw.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/e1ef141422cd6cc14104b64426c506e6/44808283868.pdf
- http://coimbra.hu/uploads/ckfinder/userfiles/files/43875081076.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/1e9c848f27e611098a7d1e1a0547dd5a/fugevimuvedunigob.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16091e64df0cb3---parozonofokaku.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=research+project+example+for+students+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_off0000eb41.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB41 | 16792 bytes |
font_01_sfnt_off00010358.bince0fc53396423db2294714f4f7d27b0a020c229f6e92a02cedc46cae49c553b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10358 | 11172 bytes |
font_02_sfnt_off00011d58.bin80bb8fc124b9a93ed84e4bbf20c460cb751f570021448e70caa635b47ab327ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D58 | 16388 bytes |
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