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 link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://youngshiny.com/userfiles/file/1624080037.pdf In PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aab3333f3b9---23995710081.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/e83l7ftuub3nb29hum3vvs0hr3/11283548116.pdfIn PDF document text
- http://kompletucetnictvi.cz/files/file/25576725866.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b70686ea68---wopetogigetawanamake.pdfIn PDF document text
- http://eraucheta.ru/uploads/file/wupobubevotawetogula.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160861ec40d36c---85528528027.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d2fb8f4a5---ravatamabaxevuloje.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ff704e08b---14708543059.pdfIn PDF document text
- https://partnyor.az/userfiles/file/lexazebajexekusinomag.pdfIn PDF document text
- http://elisa5888.com/shopadmin/upload/files/zetofefewumilo.pdfIn PDF document text
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/kizapimurujugebejevina.pdfIn PDF document text
- http://chono.mn/uploads/userfiles/files/70019892460.pdfIn PDF document text
- https://jxloanchien.com/style/postimage/file/senulubujogin.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ed71015bd---54343695654.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b306e2390---kitefebuvafas.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16093e71b785b8---45649797278.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/d1d3d52d83684c8b28c4b508c8fcd920/rajikagekinomanifaxuwikuk.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/a857873eef072641786aaa7b9025804e/dakedabezatewewegod.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16096af250c3bd---zofal.pdfIn PDF document text
- http://esipro.lu/userfiles/file/vuseko.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/9a7b11b334c3b7561ace1dc3b143a47f/42764121687.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb54e0f11c---71269189476.pdfIn PDF document text
- http://qdjshg.com/files/file/76292238599.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=resumo+de+cada+capitulo+do+livro+carnavais+malandros+e+heroisPDF 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_off0000de7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE7F | 19260 bytes |
SHA-256: a3a07fa2bbf62a066c47cb0d4eb83d04844205ce8e59443960c37e2084d91ade |
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font_01_sfnt_off00010e16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001262d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1262D | 10988 bytes |
SHA-256: 77ba3ebc9b69b35c50ba203a93ad405e6b834865d78f9b55694601d4a8c3ac66 |
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