MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs pointing to compromised websites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure suggest an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://smidgel.ru/uplcv?utm_term=nfs+payback+drag+racing PDF link annotation
- http://casier-a-bouteilles.fr/file/37078092411.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/91013787813.pdfIn PDF document text
- https://matricula.netlandschool.cl/files/56210863782.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/b73adb174eff91a0598dc9e8066a8890/59450937784.pdfIn PDF document text
- http://farmina.ru/uploads/files/72763885206.pdfIn PDF document text
- http://groupementpecheduloir.com/ckfinder/userfiles/files/vukikobenoguvif.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16149cec97f60f---gunegetavaropovubijo.pdfIn PDF document text
- http://prplus4u.com/ckupload/files/61132561588.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210901080229.pdfIn PDF document text
- https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/muxozatepisaserimas.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/barubituponatiz.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/74487867550.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/40833423744.pdfIn PDF document text
- http://radio-salsa.com/php/rs/filesupload/file/jazobuzawuwujov.pdfIn PDF document text
- http://alvit-bk.ru/userfiles/file/39740648418.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/29605321844.pdfIn PDF document text
- http://alisawedding.com/upload/users/files/nemuguk.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/3alg0t50k367mlv002p967kipd/42087214716.pdfIn PDF document text
- http://www.prctech-th.com/ckfinder/userfiles/files/57673601582.pdfIn PDF document text
- https://promise-land.com/upload/file/99980073505.pdfIn PDF document text
- https://ximatinhdongnai.com/app/webroot/files/images/pages/files/kibamamawaxo.pdfIn PDF document text
- https://www.sudicobank.com/ckfinder/userfiles/files/24392200739.pdfIn PDF document text
- http://maivietnamesecotati.com/uploads/files/jasumonitizane.pdfIn PDF document text
- http://fsoa.cn/userfiles/file/bujiwoka.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_off0000de26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE26 | 10724 bytes |
SHA-256: 711203b9f3dd19040eaca84d39137b213cd2db4f9abdc658d124bce9dbd7fccd |
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font_01_sfnt_off0000f67c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF67C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E8E | 19244 bytes |
SHA-256: 953813487a1a4c08708add1119afe05055ed442803a2428024c14a2af350c29c |
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