MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ML classifiers and ClamAV, with a high heuristic score for embedded JavaScript. It contains a link farm pointing to multiple URLs, including one hosted on a compromised WordPress site, suggesting an attempt to distribute further malware or phishing content. The embedded JavaScript likely facilitates the redirection or download of malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://robertbah.si/files/file/digufunerutevoseko.pdf In PDF document text
- http://ihdbd.org/upload/files/tidamusaxiremugelij.pdfIn PDF document text
- http://hoangminhphatkorea.com/webroot/img/files/tukonufaziviri.pdfIn PDF document text
- https://dla-pracownika.pl/pliki_user/File/56975229915.pdfIn PDF document text
- http://aptekadc.pl/userfiles/userfile/2175134549.pdfIn PDF document text
- http://liweisteel.co.th/ckfinder/userfiles/files/19668722680.pdfIn PDF document text
- http://hourinkan.net/js/upload/files/45149784705.pdfIn PDF document text
- https://travellifeafrica.com/ci/userfiles/files/mowemavavalujile.pdfIn PDF document text
- https://stichtingech.org/ckfinder/userfiles/files/14278304208.pdfIn PDF document text
- http://peoplefineart.com/assets/202109/files/20210903060833138478.pdfIn PDF document text
- http://vikohasanfiber.com/upload/files/zajusevowen.pdfIn PDF document text
- http://studiosiciliani.eu/userfiles/files/30712490650.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/61611189485.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130acdab6021---21588298514.pdfIn PDF document text
- http://sattosushi.com/uploads/files/58744682348.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/90856c0f360c26abfced25f41e2bdfc3/12667996583.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/15ai8biaaa0kp2f57mok3uldl5/2260362003.pdfIn PDF document text
- http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/19794786424.pdfIn PDF document text
- http://belean.pl/userfiles/file/93470776489.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161358181e0b69.pdfIn PDF document text
- http://stringladies.cz/userfiles/guxugeliwetakufudewilifu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=rich+habits+book+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_off00012faf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000147c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147C1 | 18312 bytes |
SHA-256: 63bc5ba8edcedd781da80cb087833c1e13aabe32f26b6cc113c05f1a2fab6a41 |
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font_02_sfnt_off000177b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x177B8 | 10612 bytes |
SHA-256: 8bd24ed1ef66d150601fa5afb830ed9d99daeeda6873e71eefdaad9f0d02c122 |
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