MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to various websites, some of which are hosted on compromised WordPress installations. The presence of 'utm_term_redirector=True' suggests an attempt to manipulate search engine results or user traffic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://eliteprotectiveservices.net/ckfinder/userfiles/files/fisulibevaderuxixig.pdf In PDF document text
- https://perfectprojects.ro/userfiles/file/62005523840.pdfIn PDF document text
- http://ambulatorioveterinariomariani.it/userfiles/files/mexalatapevejafejiv.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/kuzegojeluzoforeg.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/ripiwase.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307357612ae---43423449619.pdfIn PDF document text
- https://hkparkkonutlari.com/image/files/mipobizawudijivezeza.pdfIn PDF document text
- http://motivationandmomentum.net/ci/userfiles/files/22116849597.pdfIn PDF document text
- http://robbes.nl/media/files/90179176496.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/0frq87kfjdfcr0lv7390p3h4po/lubitokomed.pdfIn PDF document text
- http://recviem.ru/img/upload/72529374208.pdfIn PDF document text
- http://dasbluemchen.com/98672598429.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210901210945634.pdfIn PDF document text
- http://www.enfersalus.com/ckfinder/userfiles/files/jubepevirujodogetolopuvaz.pdfIn PDF document text
- https://cleartunemonitors.com/ckfinder/userfiles/files/gijebolaretuxoveboxe.pdfIn PDF document text
- https://sealand-pptc.com/userfiles/file/4560273508.pdfIn PDF document text
- http://togul.org/sites/default/files/file/durumolukowofijuzav.pdfIn PDF document text
- https://profession-your-dr.com/uploads/files/202109071045403846.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/zurojomomugomujiruvik.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/c07c0d7952b94091eade0c87661e7d62/20095305904.pdfIn PDF document text
- https://yenicekentkaplicasi.com/userfiles/file/27295374384.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=fifa+android+apk+obbPDF 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_off0000d302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD302 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB14 | 17948 bytes |
SHA-256: 126ad1c5cc20651cf5cde0ab6c1eb5a3d59bd09684981784fbe55a58d11695ae |
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font_02_sfnt_off000118fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118FE | 10256 bytes |
SHA-256: 3319ee99a24f5f84311bf125dda842b06c27136eaf0342aa935f84fef3816bf5 |
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