MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous URLs pointing to potentially compromised websites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics suggests an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://catamma.ru/uplcv?utm_term=i+have+a+knot+in+my+calf+muscle PDF link annotation
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/pewizuximorugomoguwabav.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/1ql7ifqfh2gm4dcl2s7d5sfdpf/66618806030.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e881d64dbe2---5797871511.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/50a4737c9defe56e8574435d058c6942/zapusakafesapijogun.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/motagi.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606e29b59f976---vawidakagadurapividosax.pdfIn PDF document text
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/motubizubokijozoxonofew.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/fijerejitadetaxunoxajirij.pdfIn PDF document text
- http://www.victoriousintl.com/new/resource/files/jinewasagidonopajexuvoduz.pdfIn PDF document text
- http://montgomery71.com/clients/34132/File/61629613305.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/fawus.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/954fb9d641976212480fbcc0f6f23d68/dadojesu.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/07cd67cb65d3a9e961bd698578e767ca/rutakurudosexorupu.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fcbb5fb18---319358003.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/4260325470938b458e6db60e17bb8f16/makoj.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/1c083cd7ea34b9a3fafaa1d972f76a92/13223359046.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/n7rgdvblnkvemllkfq11bot7v7/zogudor.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/18491591422.pdfIn PDF document text
- http://ferrogep99.hu/static/media/file/mezod.pdfIn PDF document text
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/n4kojh1nn57ac0ij7rcksaip1r/mugugudorofebamopojemi.pdfIn PDF document text
- http://vdadanang.vn/app/webroot/assets/files/61735516528.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e4b2fae4735---takalabuke.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/68t9fd36rao75294rc3ukqjn4l/ninibol.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_off00010b27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12339 | 17812 bytes |
SHA-256: 0e208080bf2e943ea038a3080642ff1a6e87e99ae3b1dd0f50623592a0b754a9 |
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font_02_sfnt_off000151c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151C0 | 10824 bytes |
SHA-256: 24785517d82cae5603e822039fa2c7327335b30f3d4a41d48d3c740c94725f8c |
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