MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document functions as a link farm, with numerous embedded URLs pointing to various websites, including those hosted on compromised CMS uploads. The 'SE_CALLBACK_LURE' heuristic suggests a potential callback phishing or tech-support scam pretext, aiming to trick users into interacting with malicious links or providing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a775c4343dd---tadofivobagudol.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608cacda953d8---vumob.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/03af677ada92d162364b8c086a4efb8e/sijasifarufolozu.pdf
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/iijijodobhslku3sv8te3tqd86/17370253868.pdf
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/8j5vk81vc3060nu9b9m4v09nh0/dozeporibubebuxatagan.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb34994591---wibabukijusapa.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/1f691f9957836dff77f77d5c57313de6/xemoxevexet.pdf
- https://zoorichi.com/temp/fckeditor/file/60619995301.pdf
- http://geodez.com/pliki/file/posatozebomase.pdf
- http://batiment-tunisie.com/userfiles/file/bekuj.pdf
- http://alfavit.tv/userfiles/file/35939656164.pdf
- http://language-coach.pl/uploads/files/muvasixekuledotafeku.pdf
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608470c0e7f45---befinofoz.pdf
- https://bangprice.combangprice.com/beta/cms_image/file/jurodosijogupe.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16094e927b6c35---fexuzewurote.pdf
- http://lucann.com/Upload/file/67219172258.pdf
- https://motelandratecuci.ro/userfiles/file/murid.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722d3bcc0fc---firiliravanaliweletom.pdf
- http://15449010.com/FileData/ckfinder/files/20210622_0621269C97C2A18C.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=rose+hill+nails
- 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_off0000bfa9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFA9 | 16792 bytes |
font_01_sfnt_off0000d7bb.binedd6c2b2ef3e3372902e37395d45ab4984a7d76a949ea53c891559024bc76f0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BB | 16752 bytes |
font_02_sfnt_off0001031a.bin0591088444bb639f4640eef15e27ceefec52f85a616796b9a50a470074830417 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031A | 10052 bytes |
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