MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
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://synerhu.ru/uplcv?utm_term=how+to+create+a+discord+emoji PDF link annotation
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/q1e5umpgmraq5q2gmdidb3kket/zomezaz.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/c741a9693a7d72b7a1403de6d2d9ac38/53586801563.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b42308bd2c3---65826894368.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb5ef5fcf9---13190165078.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/f8d91fce2a6e3127e7b775c23d53f768/nazowimedakobobepofuxepi.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/dc52add4720eaf8826860c7beb965eb9/lusezovisawisirum.pdfIn PDF document text
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/tnp6oqpre9f8lkaifjepk718n9/lutopirozubobox.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/765dad5c33fdf268dd1f79c2bb549cef/jagixenudapale.pdfIn PDF document text
- http://ahkjt.com/upfile/file/bulaguzajuxatogomerom.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/2dsffvo6htdtprnot5co24r8j1/tikipenibufikivolevid.pdfIn PDF document text
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/d0744a9f87dc0a09d4853badd9a749bc/9371716142.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/68268656812.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/4grsgb2bslm58e82eo2ufn58t6/48702998074.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9ec10e28f---60111605840.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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_off0000ed9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9C | 5184 bytes |
SHA-256: 0cfe0d78a0343f163bb7bdfd4861f4180247e1cd24e5863db67aa6009c3cb1ee |
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font_01_sfnt_off0000ff37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF37 | 11488 bytes |
SHA-256: 8c79b698624eb4bbb83e3049dc1eb5bc33252205d4f43670a51f07baea182318 |
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font_02_sfnt_off00012606.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12606 | 16288 bytes |
SHA-256: ec654b92bded9e6e557b311565aa7e6854e46608133b7858caaa001c6b10c411 |
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