MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which point to compromised WordPress sites and appear to be part of a link farm designed to distribute further malicious content. The ML classifier strongly indicated maliciousness, and the structure suggests a spearphishing attachment used to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://archifolder.com/userfiles/files/derexilozaxulafogepo.pdf In PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/1f3i0nl0adop0orkrrum1elavk/74126427192.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3c2d3c087---2516280376.pdfIn PDF document text
- http://jikaramen.com/uploads/files/12001795863.pdfIn PDF document text
- https://viscom.bg/uploads/wysiwyg/files/39758178830.pdfIn PDF document text
- https://cian.hr/userfiles/file/fiwewavafobopiweg.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/c3b3849167872e8d0c8c00dd1629f5b3/bulukewe.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1614940034c074---ziwud.pdfIn PDF document text
- http://goldenmallbiotech.com/upload/files/tudazop.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613ffa3849df3---satupiji.pdfIn PDF document text
- https://optimumquestsolutions.com/ckfinder/userfiles/files/rulexalarobebudarolowado.pdfIn PDF document text
- http://goghepcacloai.com/media/ftp/file/11795286531.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/54fb4af86892c1328424d204810e9669/senosasu.pdfIn PDF document text
- http://protetyka-lublin.com/images/wyswig_images/file/98587029386.pdfIn PDF document text
- https://vokalensemble-vocembalo.ch/userfiles/file/78032156193.pdfIn PDF document text
- http://gibisch.info/files/files/74756636156.pdfIn PDF document text
- http://bluekeydigital.com/images/pic/file/xanubiviwusefa.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/ce861e23dcd984fcf7b670e5aedc3d2e/22258535667.pdfIn PDF document text
- http://lukoilmarine.com/ckfinder/userfiles/files/51179027446.pdfIn PDF document text
- http://fukaofoods.tw/uploads/files/202109120035055012.pdfIn PDF document text
- http://police8coop.com/UserFiles/file/66316900713.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/34365306962.pdfIn PDF document text
- http://tfe-design.dk/userfiles/file/16199734381.pdfIn PDF document text
- https://tuinvandecruys.be/file/vapojudunomaretedobexekox.pdfIn PDF document text
- http://dhleisure.com/ckupload/files/rusewuba.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=final+power+level+warrior+apkPDF 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_off0000d9e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E9 | 17484 bytes |
SHA-256: 393f4bc708fd73dd84c3a65735a2a7ac6837843ed9273a28a61c0de1f7f90422 |
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font_01_sfnt_off0001072e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1072E | 10200 bytes |
SHA-256: 8fb3f78212998d4716b485f023ad1241236d10d87e9d23ed66b2f912af19471a |
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font_02_sfnt_off00011e25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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