MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is often used to redirect users or execute malicious code. Heuristics indicate the PDF acts as a link farm, pointing to multiple compromised websites hosting further PDFs. This suggests an attempt to distribute malware or phish for information, likely via a spearphishing attachment delivery method.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/a61f8426e9abfef1be3e1fb553af07cc/wufirokojisopake.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/5915bcffdb64ca6ed0dc03dd10c9d506/38307974122.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4f8db1795---6240042070.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/lklpjfpe0r4469d5cp6ao2eqsj/pumojonusap.pdf
- http://ztkammer.at/uploads/file/94359521628.pdf
- http://garmagostaran.com/Upload/file/zulapazanatopejibulosif.pdf
- http://allprintusa.com/admin/images/file/zowinoririturej.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a53ed0a8b76---83277983167.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607885f89a017---15301121886.pdf
- http://scheiden-maassluis.nl/uploads//file/61261796758.pdf
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/430d027e25ca3a9af433761b0287b2db/63225317020.pdf
- http://vivaibonomo.it/userfiles/files/fogitarijuvaxunago.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/pmc5dahdpl9evoeisf7ih31mnj/kalejilajatenitivu.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160abe63663122---93289278476.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa20b40f629---jisanorapalewavudowewiz.pdf
- http://wohingltd.com/userfiles/99907456808.pdf
- http://artecgroupservices.com/imagenes/file/tisatum.pdf
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/lavuxiposofajugi.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcb0a621d92---79747782874.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607c50eddfa93---1267515789.pdf
- http://everbeenmagnet.com/js/upfiles/files/54964285842.pdf
- http://arcenevents.nl/site/upload/files/tozaxujivorixapur.pdf
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/42916233133.pdf
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/85138524981.pdf
- http://soepcentrale-dekeyser.be/userfiles/file/rulefowivuvusefexopebiweb.pdf
- http://longvu.vn/Images_upload/files/31693150218.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=halo+trial+para+pc+descargar+gratis+espa%C3%B1ol
- 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_off0001078b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078B | 16792 bytes |
font_01_sfnt_off00011f9d.bin242da2b6731ed66f67475e22dec966906ee2d608011e63d71f8ca12ce3f2f936 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F9D | 17128 bytes |
font_02_sfnt_off00014b22.binfb188c88a9d335811bf8c9a23c1522e4e8d7a5b70ebe8b7ce76107639f66d66e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B22 | 10784 bytes |
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