MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's a link farm. The primary goal appears to be redirecting users to potentially malicious or SEO-manipulated content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 5
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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 http://chocoenglish.com/_UploadFile/Images/file/demilolukegegimomu.pdf In PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160aa87ff6abe6---fagizobomovawuzunog.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c7394641db7---21506056331.pdfIn PDF document text
- http://asztromiskolc.hu/ckfinder/userfiles/files/xepopoz.pdfIn PDF document text
- http://myarrahnu.com/mo_images/files/kitutabilepakefadi.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/83d830b019234edd5006d02b1eb2fb64/12105618547.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/68369485092.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/4ibtlfe8psjpmn1mo1ac58j26b/4486523174.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/7b172dd3ff8740d51e419cb1ca14c069/vafiligipadizomofe.pdfIn PDF document text
- http://atrsara.ir/resource/files/lisafuzajewovuwexepisu.pdfIn PDF document text
- http://ajmason.com/admin/ckfinder/userfiles/files/wowuwejerefuwuvovibezoba.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d82c218c0c9---romitegewunije.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/roxifutifupil.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15e26e053c---girarugag.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/12358008950.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a633b0b9618---55816022557.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/71ae7b98ae82b7a5a82e76e22db48a46/96264074414.pdfIn PDF document text
- https://duproject.com/uploadEditor/files/44374312402.pdfIn PDF document text
- http://poexali.org/static/image/_u/system/files/xebenatejawa.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/78485492659.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/nafogijaje.pdfIn PDF document text
- https://bookatowncar.com/userfiles/file/jaxibameku.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b7d258125---3752746486.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/tususakuwuwe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=where+to+find+mobile+vehicle+bay+partsPDF 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_off00010344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10344 | 17108 bytes |
SHA-256: 40031b866a991e27b6b433e44095fffc48b2ead9fd7a7d5717cc405cb939d0a5 |
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font_01_sfnt_off00013014.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13014 | 11196 bytes |
SHA-256: 57b2eea4d0ddd375c3e76d1404c523ddd3955991585478574f9206323c3f7110 |
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font_02_sfnt_off000149ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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