MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier and ClamAV both flagged this file as malicious, indicating a high likelihood of phishing or malware distribution. The structure suggests it functions as a link farm, directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://wastran.ru/uplcv?utm_term=math+worksheets+rounding+to+the+nearest+10
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/u8ubobi0ckh46h45k76hf65nfb/xusuwarikozivitogeb.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160794cc1c5e02---16629457398.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0ad592324---55500683973.pdf
- http://sendedianqi.com/upload_fck/file/2021-6-15/20210615003329172397.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757837ea106---ginaleladubemopukefifod.pdf
- http://dermalab.pl/userfiles/file/83188973171.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160718b008983f---soritajidaluxoxubif.pdf
- https://observatoire-omic.org/documents/file/70835167938.pdf
- http://sistersaviopublicschool.com/userfiles/file/bemorojenoravu.pdf
- http://fittbikese.hu/files/file/48776939128.pdf
- http://aarogyamedico.com/userfiles/file/98958363846.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16099eca384db4---wuwinamivozuwuw.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f6bddf4a5---kajovimafebaboxufe.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b33707df4b6---12049727335.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/c6b6ce5a7c4e01f40dc4e4e2b7db8e4f/63882075088.pdf
- https://paperland.bg/uploads/file/10551008980.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/dcf6cdb307a431dbfa957236262b0674/makufevabotufilegumuw.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cc903ecb1eb---repuzefa.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a95484e3bf6---patagujofitekozoxas.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a257f2b2fac---lujekogejozed.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b1e95c956---venefonudujemomem.pdf
- https://appfacile.it/file/60011478328.pdf
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/4e171dc47a6949b4d7c950e94851d18c/29603143046.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/0f4jhev08uf81vc2peg5gi39iq/tunipimopujajebitakef.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c754c69bda---toxofugugukejij.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c455.binc5dbcc853e0426972dc20926ff7b2f36301b9ee8322f9418592eb09ca87aaa3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC455 | 10924 bytes |
font_01_sfnt_off0000dd88.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD88 | 16792 bytes |
font_02_sfnt_off0000f59a.bin625f2a138b2dff9109d61d50c7ab609581fc909c41feb3065a8a5dd6d8440529 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59A | 17112 bytes |
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