MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised CMS uploads, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of embedded JavaScript, though not fully detailed, further supports its role in executing malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://huntic.ru/uplcv?utm_term=data+structure+lab+viva+questions+and+answers+pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/6fb85815f95ecf4e216f5be0425d8c1f/ripijiji.pdf
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f53b903118---70335193061.pdf
- https://antae.be/app/webroot/uploads/file/86705592978.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b86e0e9171---56121190655.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a99a4b7892---gorexutasivudiromupuvi.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/lh7amna6p5046e7b37jbems1o5/zukujagavas.pdf
- http://iphonedown.com/ckfinder/userfiles/files/fogasip.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca26c768d0---86397884003.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bb5c78c3b---papezasawanaxumivifu.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcdab2d467---77842263785.pdf
- https://koncnc.com/genelresimler/file/mazunokeparizo.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/dc7b9d4027bb01a184d48b2237dec554/patinejaro.pdf
- https://arichaindia.com/userfiles/file/sipirusok.pdf
- http://adamlegal.com/userfiles/file/sebetesig.pdf
- http://monroehighbeachreunion.com/clients/8/88/88bd109b8fc96949fe6caf7698e88fda/File/20155674160.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c06cafbb6a9---93453953142.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160785c2759ac1---8710792972.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607692980467a---84600413992.pdf
- http://abwmercury.com/uploads/files/90148756460.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/b32296f8ff157daf488e54460d3ebc6b/debebanopubavikan.pdf
- https://mbzgogo.xyz/web/img/podborky/files/53426624287.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8d0bbdb42---vofezaxebesaxefoke.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e60ebaf1e---26144175068.pdf
- http://jaika.in/images/documents/files/27579968701.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/40a7b6dcf4547edde8f9f89ccc8dafb0/3310998321.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_off0000e944.bin2a5f8749f3ddf5278dd4110467ed21255dbe9530970d3d2ab54b0be9d1c9aee2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE944 | 17008 bytes |
font_01_sfnt_off000115e5.bin528a4dde052903ed59be98a1459d479d110727c80d2911c9ad4b05f14b6a9fe5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E5 | 11152 bytes |
font_02_sfnt_off00012fc1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FC1 | 16792 bytes |
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