MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute further malicious content or phishing lures. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
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 https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8b35d60c7c---96644609517.pdf In PDF document text
- http://instant-image.net/UserFiles/Site/File/pidolepodixefevirokemi.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/692d2c6c1110d2a7a547d3d2f6951588/7298386844.pdfIn PDF document text
- https://noithatkuongthinh.com/uploads/files/93616293750.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/4a3c5e32f10489fa6bdb54e2bcc2d0c0/lujazoxopezigepijowu.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/62495497167372f11719f34d36ce5ce0/vireranejipadix.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c963a3d9f34---gurekiwofulagenefejid.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fae750195a---64959781548.pdfIn PDF document text
- http://allaboutdowney.com/userimages/56319822221.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f5ce7b77f---58935673971.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160abcf1bcb3cb---36991777719.pdfIn PDF document text
- http://tekizolasyon.com/ckfinder/userfiles/files/34543337324.pdfIn PDF document text
- http://100gastro.cz/soubory/files/29618970762.pdfIn PDF document text
- http://konditsionery-reutov.ru/upload_picture/file/poxigipesatewejulux.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9a71b9bdb---titanakulo.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/1ef8c3c9ec71002124c9bd0dd94577ed/52059676930.pdfIn PDF document text
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/gikewitobagof.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088377e6ce26---56061740369.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fb535fff4967f58a39790433b9fb342a/bebuzejabuxej.pdfIn PDF document text
- https://sogelec-eng.com/files/ckfinder/files/70857227712.pdfIn PDF document text
- https://506hlapeta.com/files/file/daxepikuxolukelijanarow.pdfIn PDF document text
- http://aaaexpressac.com/userfiles/file/lesesopeja.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e106a54a2---57221794190.pdfIn PDF document text
- http://fashionflutters.com/ckfinder/userfiles/files/6387893389.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16079d59c144d3---4140483723.pdfIn PDF document text
- https://artbynela.com/uploads/file/17388055933.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=mixcraft+8+pro+studio+activation+keyPDF 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_off000104ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104CE | 19160 bytes |
SHA-256: 4609e440233060075adb64f326af5e0e7eaa9d87d9975d5291f64a42e32b07ce |
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font_01_sfnt_off00013765.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13765 | 11240 bytes |
SHA-256: 673b5cf3a8a570dbab96bd574d5e5786d08e52acb987f01823bd6d7f57712140 |
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font_02_sfnt_off0001520b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1520B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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