MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the PDF structure strongly suggest it's used as a lure, likely for phishing or to distribute further malware, aligning with the Spearphishing Attachment technique.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://accessiblevehicleservices.com/userfiles/file/nebifaziwituwev.pdf In PDF document text
- http://enewind.com/pliki/file/39719267258.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/927445746724fe92cedbdfccaa9261b5/japajab.pdfIn PDF document text
- http://hydrem.ru/images/file/10472929949.pdfIn PDF document text
- http://intergeored.com/upload/File/zunuxazupagedafuwagivojix.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb087beba2---1347709710.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160ac53e115506---45029748030.pdfIn PDF document text
- http://shqinze.net/admin/upimg/file///73685432576.pdfIn PDF document text
- http://romanakladatelstvi.cz/userfiles/file/93935460194.pdfIn PDF document text
- http://progetec.org/userfiles/files/77431206167.pdfIn PDF document text
- http://antansconstructions.com/ckfinder/userfiles/files/32212361351.pdfIn PDF document text
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/meueh0guq8j7snpscb6f5arfvk/36285790794.pdfIn PDF document text
- https://slotpt2.com/contents/files/nikojos.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d49f2100e---43162933869.pdfIn PDF document text
- https://itracmediav5.com/ckfinder/userfiles/files/zokizafonoza.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/zagaputod.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1607de11fbd95b---gefegurenakulul.pdfIn PDF document text
- https://roweryelectra.eu/app/webroot/uploads/file/16200883524943.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16124609137538---sadagapunusakikuridiresup.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/2e355fa7552f6a43130a65bdb379d0a3/vejira.pdfIn PDF document text
- https://tanasiri.com/piceditor/file/vaxapuz.pdfIn PDF document text
- http://alrabbancapital.com/file/files/zoruritegexakereri.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/lexokaguroxavonovimi.pdfIn PDF document text
- https://inncredel.com/uploads/36511809815.pdfIn PDF document text
- https://nstyapi.com/resimler/files/zanobijututitufewuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=insect+mouthparts+worksheetPDF 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_off0000f43c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF43C | 17652 bytes |
SHA-256: c004ed2d34a9bf6b54d516ccba4057c96faab20aeca23e1935bcc8666880c036 |
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font_01_sfnt_off00012228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12228 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013a3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A3F | 10728 bytes |
SHA-256: bbc188bdb192dacc1b5a6dffdc27a73d87643a0e88b8e62e0b96bc4dc228c250 |
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