MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to potentially compromised WordPress sites and other domains, suggesting it functions as a link farm or a distribution point for further malicious content. The PDF structure and embedded links are indicative of a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139dcf6c6eb9---wevum.pdf In PDF document text
- https://autoroman-service.ro/imagini_ws/zowororel.pdfIn PDF document text
- http://rencontres-icare.org/userfiles/file/8315583687.pdfIn PDF document text
- http://aybar-gallery.com/userfiles/files/bafularasedufijarumo.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/telozagawipop.pdfIn PDF document text
- http://15449010.com/FileData/ckfinder/files/20210910_2D139EDB1C32263E.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613211670b6ab---38923067237.pdfIn PDF document text
- http://esteticka-stomatologie.cz/files/content/file/57101795186.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/gigivur.pdfIn PDF document text
- http://robwalker.net/fckupload/file/zitoketitadovejeriregiso.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131bfa9cb6cd---kunowuvogu.pdfIn PDF document text
- http://thy-environment.com/userfiles/files/wuloja.pdfIn PDF document text
- https://literie-depot.fr/UserFiles/file/37934664286.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff49b64f27---12971678867.pdfIn PDF document text
- http://gameometria.com/assets/ckfinder/core/connector/php/uploads/files/tuwigidefip.pdfIn PDF document text
- https://yellowstonewildlife.com/46221081562.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/vukemude.pdfIn PDF document text
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/49780957800.pdfIn PDF document text
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/likoxilavikafomu.pdfIn PDF document text
- http://labuchedeberce.fr/userfiles/file/91021790916.pdfIn PDF document text
- https://egf.tw/test2/images/file/73658660947.pdfIn PDF document text
- http://finemetal-cn.com/upload/files/88990699831.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=sign+pdf+document+linuxPDF 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_off0000da1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA1E | 18648 bytes |
SHA-256: 4d929a7dec188f5f48ece81b24d8cafd8a9c7fe6a24ec888295c4e43e344cc30 |
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font_01_sfnt_off00010ab5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122CC | 10808 bytes |
SHA-256: 9fb29f58056163e351d98331b483e06ac93e8560f751131992ee06f2385b92e7 |
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