MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users. The presence of a link farm pointing to multiple distinct hosts, including compromised WordPress uploads, suggests an attempt to obscure the final destination and distribute malicious content or phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://acavacecio.it/userfiles/files/fatiribesus.pdf In PDF document text
- http://carscaso.com/js/upload/files/41372962613.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/94766477703.pdfIn PDF document text
- https://aneri12.eu/res/file/4099371260.pdfIn PDF document text
- https://jgranit.pl/userfiles/file/35521984157.pdfIn PDF document text
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/68090555086.pdfIn PDF document text
- https://vyrukrc.lt/userfiles/file/90314919808.pdfIn PDF document text
- https://alohasafaris.com/files/17633760425.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/76626776925.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f44dd1fd6e---dimuvujodofiwikamitep.pdfIn PDF document text
- http://commsoft.nu/demo/ktb/wsmbilder/files/sazefenisafave.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed30bb108c---74826593961.pdfIn PDF document text
- http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/guluzagararamunotor.pdfIn PDF document text
- http://pomocnaukowa.net/Upload/file/bidoz.pdfIn PDF document text
- http://sotel-perm.ru/site/file/72802307650.pdfIn PDF document text
- http://321eastern-thailand.com/userfiles/files/56977189539.pdfIn PDF document text
- http://madonnina.info/userfiles/files/7508094612.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/fabaperutosuweropifofem.pdfIn PDF document text
- http://autoscuolavalerio.it/userfiles/files/65639739737.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c315f41a8---79763392343.pdfIn PDF document text
- https://preciseenergygroup.com/media/34538945876.pdfIn PDF document text
- http://finemetal-cn.com/upload/files/lajomupifexamivalug.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/2de8525c2d11dc6b85d53993ebc25c4d/tavudopamasepasifuganib.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/43992483645.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=different+jedi+fighting+stylesPDF 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_off0000f1c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C7 | 10596 bytes |
SHA-256: ce92c17697269aae6d43ab1267e995e3bc748a4525813ddefabc0ad6d6067b64 |
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font_01_sfnt_off000109a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121BA | 18588 bytes |
SHA-256: ee74fe7ebfe9fccb3d8591cbf30176ccca1cae4b61eb97ab5a607cb12e3f64f9 |
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