MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Several heuristics indicate the presence of link farms pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The embedded URLs, while not directly executable in this PDF, are indicative of the document's purpose to redirect users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://giaodantanthaison.com/Images_upload/files/50004869956.pdf In PDF document text
- http://motorlustor.net/userfiles/file/45590486409.pdfIn PDF document text
- http://swaving-stalinrichting.nl/ckfinder/userfiles/files/larutoxodifiv.pdfIn PDF document text
- http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/lejaxitom.pdfIn PDF document text
- http://colokit.thienlonggroup.com/Images_upload/files/5550967464.pdfIn PDF document text
- http://madmojo.com/fckupload/file/48769411435.pdfIn PDF document text
- http://kimura-shihoshoshi.com/userfiles/file/luxupupanojatuwegil.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16131085527144---36115823847.pdfIn PDF document text
- http://dgone.kr/userfiles/file/20210907070850.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316ada7b9e9---27125671264.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/87293904188.pdfIn PDF document text
- http://abarappresentanze.it/userfiles/files/sawapafavog.pdfIn PDF document text
- https://europartner2.pl/uploads/dalineposunaf.pdfIn PDF document text
- http://biswasi.com/userfiles/files/87942264102.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/xilanag.pdfIn PDF document text
- https://emotionalgift.com/ckfinder/userfiles/files/69477715399.pdfIn PDF document text
- http://mytrangroup.com/uploads/userfiles/file/75117866207.pdfIn PDF document text
- http://macierz-grodziec.org/files/file/zopufitokikosevu.pdfIn PDF document text
- https://yensaovinastar.com/media/files/92508483639.pdfIn PDF document text
- https://permargi.com/files/galeria/files/51584070982.pdfIn PDF document text
- http://auto4-spb.ru/public/images/ckfinder/files/64542984542.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/cdl7eh691ifo5s7g7lv5i3nvbq/jugeragafasevivoxidatut.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/86319027666.pdfIn PDF document text
- https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/wojagalowowevajew.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=download+game+gangstar+rio+city+of+saints+apkPDF 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_off0000d8f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F6 | 17436 bytes |
SHA-256: 4f33a3867525e7ad86ed52ae815e30be5231d18e47a26ea040f22e6e786fb608 |
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font_01_sfnt_off0001063b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063B | 11256 bytes |
SHA-256: 301c24f6f64c6dffb5d579d3c2606679f1d7662ff611331bc8402b73564b8a3b |
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font_02_sfnt_off00012082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12082 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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