MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple domains, many of which are hosted on compromised WordPress sites. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. The document's structure and embedded URLs suggest it is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/dac6e918fb50b164d87284ed181d9e2a/kudekakevutefadutex.pdf In PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16077e14fb3c9e---32872040622.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0476786ba---16135386824.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/nipakokijexerajepizap.pdfIn PDF document text
- https://addsfly.com/userfiles/file/wifevatipekom.pdfIn PDF document text
- http://stevis.cz/files/file/79278239573.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/0ef98f3516ad4520989c3cc808a31dbe/lixuxubadusorolujor.pdfIn PDF document text
- https://bak.vn/upload/files/xazebaravefisudifesem.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b9ba452ff---79925650214.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/s5ic5a974scnnjes10m1q4qmm8/lijukuje.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/0a9615d1bdc88657378220fd678406eb/37066140794.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/91184932bd38c7be0ad3f928eaa25730/24136528529.pdfIn PDF document text
- https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/da3a4e175558f8ad335002225622d32e/45171944466.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021042905310373499.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ac5a4801a---17436367148.pdfIn PDF document text
- https://qnzar.com/files/tigatejaz.pdfIn PDF document text
- http://wabasnb.com/files/fckeditor/file/1388408660bc8b11c49c9.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-5-20/20210520112910832675.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=types+of+no+ball+in+cricketPDF 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_off0000dfbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7CF | 16948 bytes |
SHA-256: 8cecae596142c0c5d7ff1a4f355cd8b06d81c18620a592f285a3e40ead1205bb |
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font_02_sfnt_off00012389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12389 | 10784 bytes |
SHA-256: 082aaa38bb9509a5113d7a6fe0f9c6e73bde41a1c0a38a8f5ff22478f049cf4f |
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