MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. Heuristics reveal it functions as a link farm pointing to compromised WordPress sites, likely serving as a lure for phishing or malware distribution. The presence of multiple unknown URLs associated with compromised CMS uploads reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1608379e8927ce---86147790273.pdf In PDF document text
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/srk96oun5052p4fn4kqf2rufgg/17908524076.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/vikudaxe.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/q0na0clkn08p2lnqljcqdtqnm2/xesivofitipatonixo.pdfIn PDF document text
- https://butterfly-propertymanagement.com/userfiles/file/24670643127.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/figami.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160879d98506bc---xatubenoripejedidunedan.pdfIn PDF document text
- https://khanikango.in/file/datibafuv.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/859a3518c977d78865d649ba91901dd5/80445377142.pdfIn PDF document text
- https://evergreencans.com/userfiles/file/wuwetuvigiwodadepuv.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/e980aae1aab4abb03e6361a3e1ec8b87/pupuvetavojusovuzawi.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021061220085247.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/c9cf83f36aacad468a9dd7da82c46bc3/sosigapifukegozuvedutu.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/4256cd888442e0ad2a964da76f7a1bfe/xujenikogunixi.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abdf8236abc---92871384409.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/55065573211.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/porajedodofola.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f0f01398d83---75476578934.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16097940baeb98---vojarolevepaxutez.pdfIn PDF document text
- http://lovec.bg/root/ckfinder/userfiles/files/mogubasunipopumelitolob.pdfIn PDF document text
- http://x-site.by/upload/editor/files/66971085217.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210809_B0B280E7A398A5CD.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/7ffa96e746b144f2fd5289d1abdec5e1/jamiwugo.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/41427k0d2lhgu67go8hjbqdq4v/zijazakolulad.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/4837253877.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0fb3465a0cd45f5353b0b5ed4194024c/19470119282.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=aix+for+beginners+pdfPDF 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_off0000e7e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFFC | 10588 bytes |
SHA-256: 947e4fc764240489a8b5b38fca235a1f1920480d92412242257dd62f9bfa75ca |
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font_02_sfnt_off000117cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117CC | 16904 bytes |
SHA-256: 02b46979caf340fd0b8f74127911111db2255970c11499eff9af558383b0e948 |
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