MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate a pattern of using these links for malicious purposes, likely phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9906
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://drafthe.ru/uplcv?utm_term=amigdalitis+estreptoc%C3%B3cica+adultos+pdf PDF link annotation
- http://dorp.pl/userfiles/files/62089519470.pdfIn PDF document text
- https://peterdegendt.be/file/87403983420.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/78560076080.pdfIn PDF document text
- https://grupo-kayros.com/userfiles/file/4210440411.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/2a400ab42e7f92cca8b09ba072e2a95b/1223398830.pdfIn PDF document text
- http://aj-freight.com/ckfinder/userfiles/files/95473765090.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c5f1f29ba---disaxuniwulotoxa.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ba7442a42---31194749205.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/40521163926.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed653c8409---xubivemuk.pdfIn PDF document text
- https://skywaynepal.com/userfiles/file/72459774344.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088856e82b19---66909501700.pdfIn PDF document text
- https://btcauction.vn/hinhanh/file/8887344665.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3a5a9b855c---53647586790.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/nisuxorogopom.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ea0af9d3fa---22660367048.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/gawezosowojopujobike.pdfIn PDF document text
- https://gancza-yacht.pl/userfiles/file/78345934285.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0e45bb9c4---43158282777.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/bf81245ebb1cb6e2d77fb45f0e13f07c/14967277228.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160771d0e12a66---36013101460.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e5cee28aac2---5209176603.pdfIn PDF document text
- https://powerliteaac.com/userfiles/file/maroxij.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/83107320667.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/31401877955.pdfIn PDF document text
- http://jatyn.cn/upfiles/202105/file/1621073344.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160beb0b15fee5---gozegunagivaxelolaf.pdfIn PDF document text
- 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_off0000fb79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB79 | 19716 bytes |
SHA-256: f7229977798a9083fe7c48b2e325535783d648058b90afc92e65fd8558937a7e |
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font_01_sfnt_off00012de3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000145fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145FA | 11076 bytes |
SHA-256: 09c54ee9949ae6ef0b9cb72957ba8322d2b2d6733745be07e4d802892b5bafdc |
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