MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised websites hosted on disposable or suspicious domains. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics strongly suggests a phishing or malware distribution campaign. No scripts were extracted, but the structure and URL patterns are indicative of a malicious PDF designed to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607615fad5356---logumafaxojekitutan.pdf In PDF document text
- https://noriupapildu.lt/ckfinder/userfiles/files/xuvalaz.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bb13aa82df3---tozasabij.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abda8747dc0---92227674524.pdfIn PDF document text
- http://furniture83.com/upload/files/88460451499.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/4a188f544294e45c0e6ee0e135ac2f1d/rorumik.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1609099dd6c9d7---zanawikagurizudemomasiteb.pdfIn PDF document text
- http://sanga.asia/userData/board/file/ziwiwijel.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/sixebokusawig.pdfIn PDF document text
- http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/jijaliva.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/qqbotm9dqsm5j2hvf8avjrnua3/rivuxekifurog.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/3a8bk12svfbklo7le127s22fmh/zemepej.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609034a7bf9c4---xuxurimabudurujarib.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2294eff84---52093373331.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/2ifg8ehsjke7ur5fe21vnkbv8i/jopupiko.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/50896029923.pdfIn PDF document text
- http://annandale1963.com/clients/69704/File/xesetag.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160702026d8471---3033006431.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b6483c6af3c---15351676424.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/xumulurupuvejosi.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160958da18fb3a---lilesine.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607e08ea92e6f---20204541061.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2421c21728---mopakinonifas.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+export+video+in+resolvePDF 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_off0000f5e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E8 | 18104 bytes |
SHA-256: ffb748791ec65eee007d8cdffd3f6d7b738a392ef14c5225fdbdc94d46679b12 |
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font_01_sfnt_off0001258b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1258B | 10468 bytes |
SHA-256: a8dcdced8641bf57e7717623d2c4452f96acbf878f4c928e4fce1fc3062ffab1 |
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font_02_sfnt_off00013d71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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