MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains embedded JavaScript and a high number of external URIs, many hosted on disposable domains, indicating a link farm designed for phishing or malware distribution. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically flags this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea4d62a046---91598096078.pdf In PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/64191690798.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/garesujepetazi.pdfIn PDF document text
- https://sherwoodchamber.org/ckfinder/userfiles/files/48278321419.pdfIn PDF document text
- https://tedvandergulik.nl/userimages/file/jikonubokerogamugin.pdfIn PDF document text
- http://whuntex.ru/userfiles/file/sodebivifujezajivagava.pdfIn PDF document text
- https://ceccarmaramures.ro/userfiles/file/68021543391.pdfIn PDF document text
- http://cambresisemploi.fr/ckfinder/userfiles/files/83047158595.pdfIn PDF document text
- http://kondicionery-shodnya.ru/upload_picture/file/gezudurexowisibovozeb.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/5176641044.pdfIn PDF document text
- https://rubfila.in/files/file/fotakipojajolet.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343f815fc1a---sujozinod.pdfIn PDF document text
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/32096353309.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/91174498875.pdfIn PDF document text
- http://tolltisztitas.eu/userfiles/files/rusinizebujod.pdfIn PDF document text
- http://akgwealthplanner.com/crm/files/55902555229.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/refurisufi.pdfIn PDF document text
- https://loyallcanada.com/editor_files/file/zadiloke.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/mexiba.pdfIn PDF document text
- http://kancelaria-perfect.pl/app/webroot/media/files/jubukolotaxalijoruweguji.pdfIn PDF document text
- https://officialbacknumber.com/editor_up/nawagonijejeraneta.pdfIn PDF document text
- http://aeon-dev.com/uploads/files/202110022126214367.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/fisukubigimi.pdfIn PDF document text
- http://antoniolescio.net/userfiles/files/87167942905.pdfIn PDF document text
- http://tjchenxing.com/filespath/files/20211005112258.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=game+theory+types+of+strategiesPDF 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_off0000da81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA81 | 17900 bytes |
SHA-256: 71a95438a1e09bd42c2600425cff01d36cb8ee881dc315161a2107d865d6aa54 |
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font_01_sfnt_off00010841.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10841 | 10808 bytes |
SHA-256: fd8522a32467d7c39a83e04e2b453993003fa09a9cd6a0e61ef3a5c069085632 |
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font_02_sfnt_off0001214d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1214D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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