MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing attack designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://learningkey.org/userfiles/nobow.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/45309128396.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a569efdc1b3---xigekodejudovebog.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744438ce7c4---83406320868.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/16076f0231dd61---10659777087.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/1giou82mhqpb1m4f73l0ndf0om/71116073926.pdf
- https://angkalaris.com/contents//files/filepagelupavukomib.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074db510f15d---58585190124.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a1430ee0b04---81838810782.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/28900987612.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a67080deafe---60868499624.pdf
- http://tikatalog.sk/_files/file/65365323841.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/2b57bcb5490e0e712a897bb45b957933/basexabiligazojenabomu.pdf
- https://clumba-indoor.ru/files/files/18393279777.pdf
- http://sosonomo.com/ckfinder/userfiles/files/45005173651.pdf
- http://irollee.com/userfiles/file/95864469651.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/cf3b92a1e5c79628f001ad5956121b8e/pugosuzeraz.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bda040ba34---13621593514.pdf
- https://detectiveoffice.net/userfiles/file/83598403653.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/9ea5669bf813a9ffefba7a32cfd462cf/fepafusaxetu.pdf
- https://evergreencans.com/userfiles/file/67837197845.pdf
- http://www.anclupnapoli.it/userfiles/file/jaxunazumavejugux.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=class+10+science+guide+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_off0000d9ae.bin84580336b6c625a03b713b20dce4b842d771cf1f1169806d195468405eb547fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AE | 16896 bytes |
font_01_sfnt_off00010560.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10560 | 16792 bytes |
font_02_sfnt_off00011d77.binf02120eb17a37b8f94c7e6888059d766c210327cdde68a85ca7b7e4905585a33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D77 | 10780 bytes |
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