MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. It contains a link farm pointing to various domains, some of which are hosted on compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is part of a phishing campaign, likely using spearphishing attachments as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://dlikefulproductions.com/clients/875850/File/1286233935.pdf In PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/e4d95d989445809a623303b6fa4ddf2c/3635876934.pdfIn PDF document text
- https://giorgiosantinelli.it/file/bagusoxuf.pdfIn PDF document text
- http://maxbrio.kr/files/files/pumusivimenidatilifal.pdfIn PDF document text
- https://renault-service.com/userfiles/58087035948.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/f94p06bsrlcpe93gvlav8v7652/sitedakodubediwe.pdfIn PDF document text
- https://jackyrouxmethode.com/userfiles/file/jababijotevusipive.pdfIn PDF document text
- https://luminex.pl/upload/file/35349609862.pdfIn PDF document text
- https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/g02qq8ikt7aodcsakvmurarc7n/goberasasatilawor.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/31124203512.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/39448331690.pdfIn PDF document text
- http://immobilieninvestors.de/userfiles/file/xilunovawaxi.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16085d7a87eca4---rigedalovutuvobef.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd4bfb36a3---nuxodoxuv.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089aea30c7cf---96806614639.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/8r265cqttt8fgojs11cgib5bob/78214711134.pdfIn PDF document text
- https://zlatartopalovic.rs//files/botovolux.pdfIn PDF document text
- http://sevoir.hu/uploads/file/gesepoguzopabaja.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/mekavafenaduna.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/f825fe5f3vr0cdmdueqnb1g1t0/ritafarugizuxune.pdfIn PDF document text
- http://wujipacking.tw/upload/files/nikaregilibule.pdfIn PDF document text
- http://rogo-rotterdam.nl/files/15243898674.pdfIn PDF document text
- https://eagle-aviation.com/userfiles/files/41999325130.pdfIn PDF document text
- https://ludbaegitim.com/calisma2/files/uploads/61917150941.pdfIn PDF document text
- https://estoniapools.com/contents//files/tuvedelupafanipibasino.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=introduction+to+logic+copi+solutionsPDF 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_off0001954e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1954E | 18380 bytes |
SHA-256: 257f1bd32cf5cd7226f89b001b407ff217f1c9fa0dd4de9c67787371858c15b6 |
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font_01_sfnt_off0001c4d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C4D8 | 10444 bytes |
SHA-256: c5d15cb190e91efc468f0c5b3c5f1b2579958906edaeaa76e4fe80924bfbf3f9 |
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font_02_sfnt_off0001dc65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DC65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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