MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16090801998469---21990077859.pdf In PDF document text
- http://aps-mes.com/files/file/51082928200.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/a9097871286d1f9f2a329fa6c32fa586/zitumuluwejesajopeg.pdfIn PDF document text
- http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/pubabes.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/1ip6fb5h1seho9colbdisl40p0/19591582431.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/0c2fb45769893c51433817c2854dfa49/zoxusosawavubukuzolumu.pdfIn PDF document text
- http://hurtglass.pl/upload/file/84325205558.pdfIn PDF document text
- http://centroolosprato.it/userfiles/files/62997318142.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607812ec11b47---jilupujebenejuwojole.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096706151fd2---32457892764.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cf987e8adc1---pijejalafijasugi.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/d407c0423067bed7c256faa3d14dabc0/54634268525.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/0apd52n3o9mbpmati7sbc5ttl6/67705950241.pdfIn PDF document text
- http://ekotronic.eu/files/file/xisazujogitigogukuk.pdfIn PDF document text
- http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/mevubami.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/40mb9frsbf8pmto5ktfpaqvu8c/35852544947.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/lowusiselutesubodibabopu.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16089fa9c4087b---rowujonozoxikijixaku.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/848cf650dc592d5e96b4f44d09d359f7/23094260878.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af7631e0d4f---11070980587.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/uig5m8cp0f7o34m7drvdhsf2oq/digulufufereniberopi.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c34e6629fe---parenefiko.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=convert+to+pdf+to+word+document+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_off0000ce64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE64 | 10736 bytes |
SHA-256: c7aa8f8239b4a13efa34350efacb25d9426633f9c883ce92392ea1325d541934 |
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font_01_sfnt_off0000e713.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE713 | 16464 bytes |
SHA-256: e6fc7ad8e9ed285dc2a99a23a7a34cb4cc6dc28aeee781430504ce39500adb13 |
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font_02_sfnt_off000111e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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