MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and numerous external links, some pointing to PDF files on potentially disposable domains, suggests a phishing or malware distribution scheme. The heuristic 'SE_DOWNLOAD_BUTTON' further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://venusland.vn/app/webroot/img/files/besigujadozenalugepuviwib.pdf In PDF document text
- http://kaymccarthy.com/immagini/file/17600764565.pdfIn PDF document text
- http://huarui-bio.com/upload/files/40449452804.pdfIn PDF document text
- https://aporpeter.ro/userfiles/file/38976408355.pdfIn PDF document text
- http://rudolphalexander.com/uploads/files/7137658877.pdfIn PDF document text
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/kosanedurajupababoz.pdfIn PDF document text
- http://royalrep.com/userfiles/files/gimupigogoretedupisanisa.pdfIn PDF document text
- http://arniuniversity.in/ci/userfiles/files/mulusafolatoxiwebigubud.pdfIn PDF document text
- https://parkettworld.com/upload/files/31503168777.pdfIn PDF document text
- https://horacebatten.com/ckfinder/userfiles/files/10187770836.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/86622348051.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/mezedezufexisigakujos.pdfIn PDF document text
- https://saigonservices.vn/images/uploads/files/mivefexafes.pdfIn PDF document text
- http://lex-ter.ru/admin/ckfinder/userfiles/files/gafonodipub.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/21498822690.pdfIn PDF document text
- http://cbcom.eu/ressource/site-image/files/17332630832.pdfIn PDF document text
- http://zaintik.org/files/galeria/files/kutatataxosisikuxo.pdfIn PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/lemonivuvezugetovabiba.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/70807311401.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613babbfd4eb9---serakerebekamiv.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/sewuzeri.pdfIn PDF document text
- http://bjsprt.com/uploadfile/file///2021091317113289.pdfIn PDF document text
- https://aspirans.com/files/file/totunej.pdfIn PDF document text
- https://artcorner-fiberglass.com/userfiles/files/texudijokapag.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=episode+choose+your+story+mod+apk+downloadPDF 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_off0000dad6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2ED | 11152 bytes |
SHA-256: a201f48157e68086f7b2361a448d93719e3f67e6729937e376c6bfe47ebc777d |
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font_02_sfnt_off00010ce1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CE1 | 17804 bytes |
SHA-256: ea1ce720f369690dde5cf806c2e40dd05bc8407071d77b6fc2af4c8d56afb2a6 |
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