MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish for information. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://inwebjor.ru/uplcv?utm_term=vidmate+16+download PDF link annotation
- http://okun.su/upload/file/30400557131.pdfIn PDF document text
- https://istocdukkan.com/userfiles/files/bugivivanisavamogidusewe.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c69214fbdd---volukivalis.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c9508d4b0---jukizigufoga.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613cadb79e02f---87933778421.pdfIn PDF document text
- https://carlojans.com/cms/file/kideguwixuferakidavapufi.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210908005324.pdfIn PDF document text
- http://mariopresto.pl/userfiles/file/93071883171.pdfIn PDF document text
- http://asustainable.com/global/file/94141416244.pdfIn PDF document text
- https://www.weldcor.ca/public/ckfinder/userfiles/files/rubagizamosa.pdfIn PDF document text
- http://abwlanham.com/uploads/files/wulesumipesebop.pdfIn PDF document text
- https://hondaotohaiphong.vn/upload/files/nefupakazisoligujubipomi.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/watepajefonu.pdfIn PDF document text
- http://24cvety.ru/upload/files/52027732253.pdfIn PDF document text
- http://kystar.net/filespath/files/20210922190829.pdfIn PDF document text
- http://progettarecasa.com/userfiles/files/kufewexazomimuzerelofamib.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/42566689557.pdfIn PDF document text
- http://elpijisystem.com/file/moniwibexezotetotezurak.pdfIn PDF document text
- http://vdi.vn/userfiles/file/xixidegef.pdfIn PDF document text
- http://zabbeleecooking.com/ckfinder/userfiles/files/bujuzenobonamezu.pdfIn PDF document text
- http://xn--9w3b11kh5l.com/ckupload/files/divoxanima.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_off0000aee8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6FF | 10416 bytes |
SHA-256: 06aa0ce0109882d57e083698c46bf1634e42ed44591cfa95fc889a01660bd79b |
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font_02_sfnt_off0000deac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEAC | 14964 bytes |
SHA-256: 900ab85cc5c1fc170ce3e23601a7e987b613236afb0e6b2c9001c89a7efd4dd8 |
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