MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs, while some are marked benign, are part of a broader pattern of redirecting users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://dhrc.in/userfiles/file/5590034998.pdf In PDF document text
- https://actsonics.com/uploads/files/202109091949243653.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/36758191652.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161338cf61130d---58015252433.pdfIn PDF document text
- https://accounting789.com/ThImg/file/xizoferis.pdfIn PDF document text
- https://ubranni.com/uploader/files/55452686895.pdfIn PDF document text
- http://zonwering-nederland.eu/ckfinder/userfiles/files/mavitujelewodaxil.pdfIn PDF document text
- https://geloracinta.com/contents/files/16039071814.pdfIn PDF document text
- http://nuitsdartistes.eu/images/file/61953507299.pdfIn PDF document text
- http://studiotecnicoprato.eu/userfiles/files/37404645707.pdfIn PDF document text
- http://emploi.nat.tn/ckeditor/ckfinder/userfiles/files/jadikanabininidare.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161434c1abaa93---732503889.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109031324568217.pdfIn PDF document text
- https://stabiactiv.com/userfiles/file/73065694760.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/19743442972.pdfIn PDF document text
- http://datcat.vn/2018/file/sumifenosuvogum.pdfIn PDF document text
- http://ed-union05.ru/files/file/39836344032.pdfIn PDF document text
- http://kristiankutschera.de/userfiles/file/1888351427.pdfIn PDF document text
- http://crm333.com/documentos/file/80084820476.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/76653948286.pdfIn PDF document text
- http://dilimkebab.com/userfiles/file/43185665386.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/84603233545.pdfIn PDF document text
- http://turchifiltri.com/userfiles/files/85679374439.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/3fcb00b739178ebbd902ef5d1c116837/dikagin.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=the+power+of+positive+thinking+in+tamil+pdfPDF 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_off0000ae68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE68 | 15404 bytes |
SHA-256: aa0d918e29847485dfabc37a876743b98b2fed6d2cdd409fdfd1352b4aedf552 |
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font_01_sfnt_off0000d56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD56A | 11152 bytes |
SHA-256: e949a2a376d26ce098354897ac7cf87f7f23fc5149fde27347b0a068442ae8c1 |
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font_02_sfnt_off0000ef2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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