MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm for distributing malicious content. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further supports its malicious nature. The primary goal appears to be directing users to download cracked software via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://kazuma.ru/ckfinder/userfiles/files/20144828656.pdf
- http://spellenindex.nl/images/uploads/58230971343.pdf
- http://1utilaje.ro/mm/file/gasevokaminifi.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/h8qp4foh2q2picenulnadd8c2t/vibidigupisupobosewogalav.pdf
- http://softwaretesting.kr/club/data/userfiles/file/20210909092140.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614ce9eb73ea5---8847363704.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/8v676jttnaug0pp10s9ukaml76/viwon.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/7a7b2bad15e9e9a5140710e18575c7a1/27121985617.pdf
- http://baltic-rt.ru/ckfinder/userfiles/files/dotomijeneja.pdf
- http://luckysim.com/userfiles/file/48855274778.pdf
- http://p-itos.net/admin/userfile/image/file/sidibimegi.pdf
- http://musicpark-live.com/userfiles/file/59706136400.pdf
- https://hazeloyun.com/calisma2/files/uploads/54407035096.pdf
- http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/torik.pdf
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/xurutejifozimegixotef.pdf
- https://tutorbolivia.com/userfiles/file/fataritoxanusekafurer.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16146af2c4af92---33484872952.pdf
- http://bischofs-scheune.de/userfiles/file/vezogajomukigesozotedila.pdf
- http://wittlich-luexem.de/userfiles/file/wivuroseserakopor.pdf
- http://otworz-biuro-podrozy.pl/userfiles/file/duvakesapegurusug.pdf
- https://dukeofmarshall.com/ckfinder/userfiles/files/65065936280.pdf
- http://chatyzvule.cz/uploads/pewilezojafufulute.pdf
- https://evabizz.com/userfiles/file/1020252304.pdf
- https://oferta.lt/i/File/rezeweralitarizuz.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=powerdirector+cracked+apk+without+watermark
- 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_off0000b257.bin9741676c8bc4f64512820be6ba2f3132d2c51335d78a553345155746b5399349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB257 | 16968 bytes |
font_01_sfnt_off0000dd99.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD99 | 16792 bytes |
font_02_sfnt_off0000f5b0.bin86d558d50ea81e0e78f23ec299fa44d6ec1569f81d1028fc2a1688c09425de8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B0 | 10740 bytes |
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