MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure as a link farm on potentially disposable hosting further supports this, likely serving as a lure to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://pistant.ru/uplcv?utm_term=critical+reading+strategies+for+college+students PDF link annotation
- https://karinbentum.nl/uploads/file/venumimelebupekuko.pdfIn PDF document text
- https://0900107678.com/upload/file/nijelevezik.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbbcfd25ef6---77554712101.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7ba62eac5---kusupazowewir.pdfIn PDF document text
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/wutugowazutijapunex.pdfIn PDF document text
- http://tipsclubcr.com/campannas/file/66498034325.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/5ebf2d4c0355b497cde3a88fc7e440cb/58599905736.pdfIn PDF document text
- https://sealordhotels.com/ckfinder/userfiles/files/94506326310.pdfIn PDF document text
- http://jevades.com/aircraft/fckimages/file/2696040659.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607be5c261920---pabizadudelalojufuvumunis.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c01811822b0---tavodesew.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/c21cd0748a2dfd9eb5f7d623cc3a298e/94792620864.pdfIn PDF document text
- http://homeopathyhongkong.org/files/73133274652.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/6c2d80b5197ea259490033a5402241bf/97560243587.pdfIn PDF document text
- http://greatnice.club/updatefiles/file/74800877942.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/9315193378.pdfIn PDF document text
- http://bagumul.com/file_upload/spaw_upload/file/20210602223434.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c49192ab86c---96203670398.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/83121002929.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/uph9gedcrhknds9mi6no7rofre/wimigagiju.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85b93bbb76---donis.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16096a9853f622---75473078943.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/9dd8efae4e0c36894d08ee4dd035d1ec/pavifa.pdfIn PDF document text
- http://hurtowniagrafit.pl/userfiles/file/76299100769.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160843534c1e9a---67880188100.pdfIn 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://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_off0000f8f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011105.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11105 | 16396 bytes |
SHA-256: 00a064ac8ea295e46bee18a28eea21daa070e5a905c5e013ca9bc5d33afe6f8a |
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font_02_sfnt_off00013b29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B29 | 10780 bytes |
SHA-256: 3dbfa6f3f27e87bd395836da41161f532f91e1d8384d307be09c95ee83dee633 |
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