MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload directories or are hosted on disposable domains, indicating a link farm designed to redirect users. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing trojan. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec9207dff1---dujofudetezo.pdf In PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/377a35fde9e7214e90ff551ca37cfe18/wosow.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e8892552a---kovajopu.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/wurinumi.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/zumuvatipumimexuvitupup.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16098e0364291d---23149392151.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a46bbd58dbe---geluxekevi.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/09193bc30f626d0e1e6b85226187d147/zoxudazitefixamalop.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/886e9fca2f0bb7858b8b20e4f5c70460/28462459974.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/172fcc413f2250dc7f24cd9ab006e467/64511452218.pdfIn PDF document text
- http://griesvoegwerken.nl/UserFiles/file/sumunawusoliwuwotojuwo.pdfIn PDF document text
- http://asokmontridental.com/userfiles/file/xogurasujibufewanij.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a53bf36d7f6---5217461218.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/6mb8a9sa3uj9v3cgduvimcriuh/dezej.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/vorebusaje.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d632f20a2---5312719134.pdfIn PDF document text
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/f9e96a40068f18e79b57baa70a3ec104/7665757151.pdfIn PDF document text
- http://german-ex.com/images/blog/file/22830291509.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/39386573818.pdfIn PDF document text
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/tirakuziwugadafepo.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/306ef5161c856e96e0f0c70d5d386282/gilizupadirugoja.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/besevilo.pdfIn PDF document text
- https://astdubai.co/userfiles/files/radek.pdfIn PDF document text
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210502011509214234nduhrl.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/86849344827.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc6d7515c6---77919881421.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=etymologick%C3%BD+slovn%C3%ADk+jazyka+%C4%8Desk%C3%A9ho+machek+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_off0000d842.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD842 | 19620 bytes |
SHA-256: c511cce6f1c2c4f61bbb41405bc44251759b9ea70ecf9be1c7c9681089ee6761 |
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font_01_sfnt_off000107c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FE0 | 11908 bytes |
SHA-256: 25aa5f97e2bf48b15556a3eb76418a45b754e7cf8e801c105dd1dd971fd59217 |
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