MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised WordPress upload storage, suggesting it's part of a link farm designed to redirect users to malicious sites. The presence of PDF-specific heuristics and the ML classification strongly suggest exploitation of PDF vulnerabilities to execute code, likely JavaScript, which would then lead to further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://wastran.ru/uplcv?utm_term=first+day+of+running PDF link annotation
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/s89cong7ebeuiq94ol4f9eh25k/ralefefijatoxukug.pdfIn PDF document text
- http://cheers-gifts.com/userfiles/93697985122.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16073f4c88bf3b---zigukiwudinefivululuj.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777fc0d87a8---50435312276.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/55747794803.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/b65d49326047bbd73840a810e90609bb/21946686557.pdfIn PDF document text
- http://style4.allwebeasy.com/userfiles/files/wojisunupazulefat.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/99691994076.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c502b964e6e---jebagozinojoregesaxubi.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607643dbbd203---jafakale.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/gtgb298cjuml186bfn4l7avbdl/18905808255.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086df77d9c32---daseduxan.pdfIn PDF document text
- https://alutat.com/data/file/28118663097.pdfIn PDF document text
- http://thephinhmienbac.com/upload/files/julibekisabomazepesudefix.pdfIn PDF document text
- https://blogsma.com/files/tulitizotodijar.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160834044120e5---61198587627.pdfIn PDF document text
- https://aashianarealty.com/file/buvujevegedikem.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc424b3a29---1404835709.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/48320589878.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/7c44fc52dccad079aa1ece70edbdc51a/galibejewig.pdfIn PDF document text
- http://rsentco.com/upload/file/2572454693.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105184649836---jurive.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/481b42c7bb3076447100fcc4408ab713/nifosijuduzodugatejerobe.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610a51d807b36---sepelatelogota.pdfIn PDF document text
- https://zoomkish.com/basefile/zoomkishcom/files/32039484899.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_off0000da7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA7D | 18080 bytes |
SHA-256: bb13371221d9edd9539474b84e3cf548a2746c8fb3cf784dfd91704e7e88fdf2 |
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font_01_sfnt_off000108b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B1 | 10540 bytes |
SHA-256: 7492ea0e01f964916dd67f51183f7e4aebd2d3d866237705d8885cfc7699fadc |
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font_02_sfnt_off000120a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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