MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV. It contains a link farm pointing to multiple domains, many of which are hosted on compromised WordPress sites or disposable hosting. The document body, though heavily obfuscated, suggests a lure related to 'the boy with the biggest head in the world', likely a clickbait or phishing attempt to drive traffic to these malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/747aca3b13766606a770473e6578ce6f/zetutuguturilujunisaref.pdf In PDF document text
- http://belgium-ex.com/images/blog//file/14670048686.pdfIn PDF document text
- http://bpsstudio.hu/uploads/vadofijakumum.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/80330518229.pdfIn PDF document text
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/cd4348454a560d41371275c0dc58998d/77970658356.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9269955b15---zekekevet.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/d42358ad3e560cac3f3f6760e4bfed2c/40594837960.pdfIn PDF document text
- https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/bc5341002cafd3e4701616972b9602a4/lareperujarefesusujusu.pdfIn PDF document text
- https://hometeamcorp.com/images/usr/31342571150.pdfIn PDF document text
- http://jtour.vn/userfiles/file/wabelimasakomimidimafu.pdfIn PDF document text
- http://www.cerathai.com/image/upload/File/kematevumusa.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/66c7fe348bad67fccf3676f4e3da8917/xulipeparav.pdfIn PDF document text
- https://serviceservice.eu/userfiles/file/tikuzapofarutokiviliv.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/6b8f8dba679e4e8be08912742d9ff24e/fuwiwuborozatirazo.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609adf4ee4124---5189813821.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b08e62540d0---nudedaranabesovu.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/5ms8p72ltltjmf7si3im638566/puwovule.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=the+boy+with+the+biggest+head+in+the+worldPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D5 | 5372 bytes |
SHA-256: 10a73aa154221402cf1a5948d1e355f95803373718cca775d6952aa079838fde |
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font_01_sfnt_off0000ea25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA25 | 11428 bytes |
SHA-256: 1336b8f953fcd6ed195a81cb86754608cea3a4512ae94e8ee489925070eceec0 |
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