MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to host malicious files. The presence of a 'download button' lure further supports a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
Heuristics 7
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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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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.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aaffbaf41b2---veduto.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/7e6ec52a37bb78ed2f4d4e35c80134a2/fiwametibapagafikozal.pdf
- http://harissarantis.com/userfiles/files/baluve.pdf
- https://alshamiltrading.com/alshamilfiles/file/lizekaxof.pdf
- https://ottenburger.com/userfiles/file/pesurojorudubiso.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c7f856fd5---7103420707.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160849cddbe4f2---62833563137.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d3348e16efd---dexurazewifikulopam.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/f54ced74e11fbbaca3bfcfe6284b9496/46072585575.pdf
- http://breakevenpoint.pl/uploads/editor/file/27074283793.pdf
- http://thuephotocopytaihanoi.com/upload/files/finusikezinadelusora.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607288c776791---tafawakenuwuzibakaxuje.pdf
- http://brucemsmithlaw.com/clients/e/e2/e252bfde01ef004f685a9648d307a4b9/File/sanasoketovanosiwasurala.pdf
- https://marosme.ro/hirek/file/57661804613.pdf
- https://onhimalayas.com/ckfinder/userfiles/files/desasedewajonarodabo.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16079dfcc739b5---22010318519.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/ab52d7fee2364476e8cad84e2e4dcb6b/76856134375.pdf
- https://kozhikodedeaf.org/admin/my_files/file/27892559068.pdf
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/17484550244.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/0557fe6c52db01ce867254c65bb7ef3f/fonodigafivuju.pdf
- http://akkoryazilim.com/userfiles/file/mawazegenamomituwuf.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b300135a79a---gonomujunudijosefukudevoz.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c630abd63ee---butezigolovotiwuribe.pdf
- https://duproject.com/uploadEditor/files/kejurupu.pdf
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/5565cb88f5e88ec97d6813afee193f23/wadupubugopujojixuv.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=previous+year+question+rrb+ntpc
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f88c.bin7ec24ac18a4c96b76f4884ad4c380cb21dd8d231d986ce5b6a82823f7015abe9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF88C | 10888 bytes |
font_01_sfnt_off000111c3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C3 | 16792 bytes |
font_02_sfnt_off000129d5.bin810bc5cfac2b074e06dcf8efc0ce99ef2dec1d84fd96ef95a9c18a65fadb5e86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129D5 | 17256 bytes |
font_03_sfnt_off0001572e.bin9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1572E | 16092 bytes |
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