MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers identified this PDF as malicious, specifically flagging it as a phishing trojan. The presence of multiple distinct compromised domains suggests a broad campaign to host malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/36743a3b04402fae2791a1c630ff6b1e/56645991727.pdf In PDF document text
- https://pollackmihalyiskola.hu/ckfinder/userfiles/files/40649428016.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/fk6k9d621dtisnsapk5hai3rte/lesolelelojisezos.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/f00ea12d013bc4ba378c12dc7d28017b/sizupijudefabemix.pdfIn PDF document text
- https://vieclambaohiem24h.com/upload/files/27906846895.pdfIn PDF document text
- https://digireg.dk/upload/vovobipu.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726aa5ed476---31831563233.pdfIn PDF document text
- http://paglialonga.it/userfiles/files/17841190139.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/10bce908d7106ffcc9c185fc2bf78dc1/jafosuw.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jg4gu4nsf6f15degelp1qhk236/63052539817.pdfIn PDF document text
- http://njuhome.pl/ckfinder/userfiles/files/gatoxov.pdfIn PDF document text
- http://firegallery.ru/img/upload/15466395382.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608835a310d7f---keradema.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a32c063f00---juzubadaj.pdfIn PDF document text
- https://toananhmedical.com/uploads/files/80115986677.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/7590c235c8aab77d89b154bfacaa9004/zomotilegetafamovupotuxan.pdfIn PDF document text
- http://shuswapladystriders.ca/userfiles/file/49820672363.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9f998a4542da8ea9bc347665ee930b78/20394432409.pdfIn PDF document text
- http://brno-skoleniridicu.cz/ckfinder/userfiles/files/25921404198.pdfIn PDF document text
- https://ketdoanbus.com/webroot/img/files/konobajo.pdfIn PDF document text
- http://caf-ljubljana.si/docs/nezodofopesififefisurabi.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/notomekoxewed.pdfIn PDF document text
- http://bellina.pl/userfiles/file/31261950826.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=sensors+in+automobiles+pdfPDF 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_off0000ce3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e652.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE652 | 10976 bytes |
SHA-256: 17c04b3482b7492d359caff11bc16b9dbc9cdb53f539edc3c4ca29e8f8428c33 |
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font_02_sfnt_off0000ff83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF83 | 17660 bytes |
SHA-256: 552259661a5660924e608d39ab00acc0502efe248049c09a3c94842fb247b1d0 |
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