MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with multiple heuristics indicating it is a link farm hosted on compromised CMS uploads. The presence of embedded URLs and the 'download button' heuristic suggest a phishing or scam attempt to trick users into downloading further malicious content. No scripts were extracted, but the overall structure points to a malicious document designed for initial access via phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b38d9085659---zutaxesudum.pdf
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/n50cqho432104ee1mddd91c3fj/18279161881.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e58b59cb0---kijalolusizopudekul.pdf
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/xuzepadotanuwi.pdf
- http://manegedebuitenwijck.nl/uploads/file/37677738231.pdf
- https://bomnuocebara.com/quangbasanpham/app/webroot/upload/image/files/sidogevewobororasabotina.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fe9caf7ce---44131378813.pdf
- https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/9464617304.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/6f91fb0ca4020c4ed5a26326f9480264/95929787861.pdf
- http://veiligheidssloten.nl/ckfinder/userfiles/files/27600258129.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/c5761efe0fbe971891e34259511207d6/39462980861.pdf
- http://altiro.nl/home/tjerk/file/zujogufupok.pdf
- http://kovofilm.cz/userfiles/file/6668419190.pdf
- http://driver-jazda.pl/upload/file/34410811324.pdf
- http://www.detskaoptika.cz/ckfinder/userfiles/files/sazuxosabewodamusesaz.pdf
- http://xpeedon.net/userfiles/file/20210902053800.pdf
- http://novafish.it/userfiles/files/wifesupu.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c29321bcd3d---kebadusidobowevufimexi.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f5335061d4---88865821654.pdf
- http://sahrugs.com/userfiles/file/46690346564.pdf
- http://inncredel.com/uploads/texotavevogala.pdf
- http://ourhkg.com/UPFILE/userfiles/files/webaguleka.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/mf5tepjmc5o4qa514htke2oj62/motuviwadomejoril.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b687120635---96311094093.pdf
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/vawurofasuloxa.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=amoeba+sisters+classification+answer+key+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_off00010a7c.bin01945044bdd3f8f3a7ea9813ed1c689985b97135446d65108f0fd212cc7f66cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A7C | 18020 bytes |
font_01_sfnt_off00013988.bin171ee4069c491d2510afbb51cf0022cd5e2b5f9d1fced895991606e57c94e772 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13988 | 11192 bytes |
font_02_sfnt_off0001539a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1539A | 16792 bytes |
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