MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF that contains numerous embedded URLs, many of which point to compromised websites and are part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically phishing. The presence of a link to a compromised WordPress upload directory suggests an attempt to host malicious content or redirect users to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afe16f4e984---fibipewudokefakek.pdf In PDF document text
- https://bamor.org/userfiles/file/82011270509.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/96460977126.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/kakiroporomejomojetasunak.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160856e619ff05---favemonetalokade.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160767a1e48bdf---23930568442.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/3af481a2615f68dae164eb90520c1d35/23990143074.pdfIn PDF document text
- http://adacu.org/userfiles/file/20210704094549.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/23436069517.pdfIn PDF document text
- http://insidethedigitaltrend.biz/userfiles/file/vodumokiwesididefija.pdfIn PDF document text
- http://umiyawoodworks.com/fckdb/userfiles/file/89552602296.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098e971bb428---52746128355.pdfIn PDF document text
- http://novichiha.ru/pic/file/zuralixurutujite.pdfIn PDF document text
- http://sanphamhanquocymy.com/uploads/files/35343895820.pdfIn PDF document text
- http://summithigh75.com/clients/867147/File/vajidagobupulozuniral.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/ecd696ed643a8afb4673298564b610bf/defojewusogikifedim.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/m1894pthl3g8mel42vcu6apao7/xivuwapodisuzajovuzisev.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/6267b1c47493370fdf4a54441ca9a0b3/29765938800.pdfIn PDF document text
- http://cocoal.com/uploads/file/pinasarugo.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/bdbed6185e90f62b1e48f0839c0b9fda/majabexe.pdfIn PDF document text
- http://gotween.com/userfiles/file///bojogemedomuvugo.pdfIn PDF document text
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/8enu9uh8dqiad2aoe2940n7la5/12731720402.pdfIn PDF document text
- http://pcccphucvinh.com/upload/files/jizedetevobodarisinajox.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/e7c696228de0de4fd80549eb3152e33b/wosufesuzojafokodejaluf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=fake+news+and+disinformation+onlinePDF 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_off00011a6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001327e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1327E | 17052 bytes |
SHA-256: 1f94c8ab0f0208ae4600f3b0dac5a79ee535057b887b15cc80edb61a9601821c |
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font_02_sfnt_off00015f4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F4C | 10668 bytes |
SHA-256: ca117840a96ce641c79bcc4ab276595fd8c3ca02cc50d6586822e10d4d826cd2 |
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