MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other potentially malicious domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these links are designed to lure users, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://thucancakoihikari.com/luutru/files/43645114004.pdf In PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3632ca772---kaxavukugasiwe.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a423e2d20aa---dedalubozuvub.pdfIn PDF document text
- http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/tonogexanivipomijex.pdfIn PDF document text
- http://niengrangchuyensau.com/upload/contentFile/file/futupolonifiberotadiluxuf.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090c33b8055f---60288760918.pdfIn PDF document text
- https://khonggiansachhanoi.vn/uploads/files/91665953620.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16098310534fb2---69271556319.pdfIn PDF document text
- http://markasib.ru/ckfinder/userfiles/files/wozidofexikawijiduz.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16daedb52b---gakeluk.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/kuzug.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/73b5ef334aa7c97c2e716fde4382dda3/17749454924.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a1fbd3bfd---1318349723.pdfIn PDF document text
- http://www.aamuhsv-madisonalumni.org/files/files/53524457724.pdfIn PDF document text
- http://miele-service-center.ru/uploads/files/jasurota.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a801931355---53143981150.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ffd7dd765---81885123332.pdfIn PDF document text
- http://zonweringnederland.com/ckfinder/userfiles/files/nogapipifijemepa.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c94b22511f---68343311558.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/f3d62c48b227130099f935021cc92514/8324967832.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/f76790368588854cb69a9b8dafde52a9/4717408580.pdfIn PDF document text
- http://blissworldbeauty.com/newerac2c/userfiles/file/53819237908.pdfIn PDF document text
- http://networkinglikepro.com/ckfinder/userfiles/files/48987608547.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/57639ad8e44bb48b1485c31c5e77ce56/53696208302.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/15c1b84e8d8859c8c289dac59cb5dc2f/jixulewojaliwujevujevoziw.pdfIn PDF document text
- http://fonnepal.org/userfiles/file/mapuzezeliwafova.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=dismayed+meaning+in+englishPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ffb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB5 | 10492 bytes |
SHA-256: c8111a36b681f1c72c0a37bb40fd7c565284f40880c0bebd6713f909161d7007 |
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font_01_sfnt_off0001171b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1171B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F2D | 18940 bytes |
SHA-256: afc606d004e99e21a0f5c1d01fc3af5ebcdf7954268b4d49863c14446d6c657a |
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