MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites, suggesting a phishing or malware distribution scheme. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, pointing to the use of link farms on potentially compromised hosting to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/0c55f177df3493571c7e5268f0533f14/98692403775.pdf In PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c9f27f33f---munotesewuzivozinaj.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/igusag5v9huma8g0l3tiiropvd/fuduzikoxi.pdfIn PDF document text
- http://apnschool.in/singhania/downloads/file/342104733.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731b36abfbc---devivesipabiginotizageg.pdfIn PDF document text
- https://kitapkaplama.com/upload/ckfinder/files/pituj.pdfIn PDF document text
- http://zamdq.com/filespath/files/20210813031744.pdfIn PDF document text
- http://vyveva.eu/UserFiles/File/kukuraputafegiw.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988854a1cdb---busar.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/60c595a02c013583414d17ef62d82a50/baxagenuruzusojivarat.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/9c95887cd3fe3522073dda8bb5b6c68b/pagutogid.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/68518612809.pdfIn PDF document text
- http://ruresept.ru/files/file/mesusijetarudimiruzeruv.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8107bbcc555c15a88340f765ccff25a4/40035725589.pdfIn PDF document text
- http://7linc.com/uploadfiles/fckeditor/20210812/file/16287075151518.pdfIn PDF document text
- http://dakhoanhanai.com/images/files/31628271854.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608442cb6e249---80892722112.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=outcast+united+book+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_off0000d549.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD549 | 18164 bytes |
SHA-256: a2798fb04fc6ece76ab8a8ea2a50fc6ea9092259c879cf8b9c573d923e003458 |
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font_01_sfnt_off00010400.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10400 | 10824 bytes |
SHA-256: 2169a6015770c99783a9e4763fe5513f271b93de58d3d4607216b741c1a80796 |
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font_02_sfnt_off00011cf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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