MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded links, many of which point to compromised WordPress upload storage or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution through these redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://preprodpcb.com/userfiles/files/fokilev.pdf
- http://showdoimovel.com/files/files/gagonaliged.pdf
- http://energy-labels.nl/userfiles/file/takunulanakunexi.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1614fb68fb4f9d---7425619120.pdf
- http://homelife-superstars.com/image/files/tukaxiju.pdf
- http://crmrealty360degree.in/userfiles/file/18299184116.pdf
- http://nissanotogovap.vn/uploads/images/files/tapipofajopimomer.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/1db59ba125d40983f073154610403922/60525087988.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb41d3c9ed---2502335319.pdf
- http://pluimveebeurs.com/userfiles/file/kogiximosazur.pdf
- http://kvbm.org/pds/userfiles/files/vimovijovadabise.pdf
- http://koreadramatour.com/FileData/ckfinder/files/20210926_C0B9A2B5E5CE5644.pdf
- https://bepcongnghiepphuchung.vn/userfiles/file/losilolipu.pdf
- http://weiddy.com/uploads/files/202109041104251131.pdf
- http://thebankcardservices.com/uploads/files/82554954996.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/161311519de49a---loxovubajer.pdf
- http://tjtvina.com/Upload/files/genevejimi.pdf
- http://arabic.cz/ckfinder/userfiles/files/tebezurutotijadezaxar.pdf
- http://ihanzao.com/userfiles/file/20210924191911_197387523.pdf
- https://hogies.com/includes/template/uploads/file/11351812481.pdf
- http://ez-surveying.com/htdocs/cljr/data/files/54459099319.pdf
- http://www.pattyn360.com/upload/forum/files/wanafevotomubumatis.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=best+smartphone+apps
- 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_off0000c37c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC37C | 16792 bytes |
font_01_sfnt_off0000db93.bin9d7a532be2522ab74890198bcffdae5a85130a81c38a023006f0b67e1b0ca485 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB93 | 10432 bytes |
font_02_sfnt_off0000f30c.bin774345b100dcb880d7402d3e233be2b1dc877911c72501cc83d62c22800b6974 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30C | 22044 bytes |
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