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 heuristics reveal it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. This pattern is often used for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://www.ijmsir.com/ckfinder/userfiles/files/10493521914.pdf In PDF document text
- http://apsara.ru/userfiles/file/77094499796.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/88932718141.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/c196d63cf23bc3c816401b8bcdd57be7/58768124294.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/zikonubivozo.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/1a22d6a367d8413408fc00a9878d0435/1520796.pdfIn PDF document text
- http://3qbuy.com/CKEdit/upload/files/65510408702.pdfIn PDF document text
- http://xaydungphongphu.com/uploads/files/46861876254.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/gatidirilunizilelival.pdfIn PDF document text
- http://noithattamphuong.com/upload/files/zijefidex.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd6aaa17906---45898511123.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd6707ea16f---gozerajejon.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/94481385068.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/51300846636.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/26f09843dfd22c16e2d3211dbff6a421/zezugadedazulum.pdfIn PDF document text
- http://gsnursing.in/ckeditor/ckfinder/userfiles/files/48670748644.pdfIn PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/tawadap.pdfIn PDF document text
- http://akinmedical.com/uploads/file/84512804080.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=manualidades+para+halloween+con+rollos+de+papelPDF 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_off0000cfc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC0 | 10692 bytes |
SHA-256: bbf595a868da455f1ef4b8f7145d64abf0a30231976a0eebbb829b4ed8c15e43 |
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font_01_sfnt_off0000e830.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE830 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010042.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10042 | 18992 bytes |
SHA-256: a8d6d38fe2c22001f7f44563d6c2232db40c471b84810bdfd840d1fd9cfcb51b |
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