MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a PDF link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO manipulation scheme. The embedded URLs, while numerous, do not provide a clear second-stage payload, but their nature strongly suggests a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://lorofilmes.com/Uploads/ckfinder/userfiles/files/61587061357.pdf In PDF document text
- https://samsunyapi.com/userfiles/files/58767955296.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/gubelozadajimur.pdfIn PDF document text
- http://koryosushi.com/uploads/files/86452591926.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1613c763f87d12---xavomajumidulezagawut.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bba8fe1e09---nifadusunekopakuxidosed.pdfIn PDF document text
- http://e-junghan.com/userData/board/file/bidiseboxugifamasaxe.pdfIn PDF document text
- https://sapporopools.com/contents/files/gikafa.pdfIn PDF document text
- http://tiszaladany.hu/upload/file/vononodaxepanod.pdfIn PDF document text
- https://minhvuongthuphap.com/upload/ck/files/xulakibaraligosudujokefox.pdfIn PDF document text
- https://tennis94.fr/img/pics/files/93977565738.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/sediji.pdfIn PDF document text
- https://penal-garazh.ru/files/82027102456.pdfIn PDF document text
- https://www.koreayokogawa.com/ckfinder/userfiles/files/54686548267.pdfIn PDF document text
- http://xfswchem.com/upload/files/33995803461.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/s5m4584l3hfb2rcdu57cd2g0s5/73457765191.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408e15705a3---bokojelezobebusuditunoko.pdfIn PDF document text
- https://siroyensao.com/upload/files/xiwazawiwirosetuwikesobaf.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/zopajorewafotimowofe.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/65987444323.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/2915868928bb3ca12f0e78a6e3f0fb0d/61611237967.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/50326088532.pdfIn PDF document text
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/56393073609.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=adult+apk+games+androidPDF 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_off0000e48f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE48F | 16380 bytes |
SHA-256: a5b7da293424c3a3280b6bc808849933a53bed76689f5260531f684273d11d36 |
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font_01_sfnt_off00010f13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001272a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1272A | 10908 bytes |
SHA-256: 274791f28b254d122d560c5e8eff4d4ac641bd6ca034b38f059f9c75d9a10463 |
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