MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a malicious PDF containing embedded JavaScript, which is a common technique for delivering malicious payloads. It also features numerous external links, many of which point to disposable domains and are likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://alpanelektrik.com/depo/sayfaresim/file/40790547742.pdf In PDF document text
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/nawizubaxunilal.pdfIn PDF document text
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/momabawegenijus.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/82734294581.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161350be0e44d1---dinuxepigigelewirififo.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/jubifatetexi.pdfIn PDF document text
- https://inprovitchile.com/ckfinder/userfiles/files/92281846548.pdfIn PDF document text
- https://malayalamfoundation.org/admin/my_files/file/61004629263.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/xokokejujokepawa.pdfIn PDF document text
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60383989670.pdfIn PDF document text
- http://myxroad.net/upload/userfiles/file///bizixasurufobisuwazo.pdfIn PDF document text
- http://msslink.ru/userfiles/files/98086087871.pdfIn PDF document text
- http://rasciindia.com/firetech/ckupload/files/83659607978.pdfIn PDF document text
- http://liubeauty.com/luutru/files/laromud.pdfIn PDF document text
- https://isleo.com/i_photos/file/393146512.pdfIn PDF document text
- http://rqconsultores.com/userfiles/file/betaduf.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/kajipigi.pdfIn PDF document text
- https://newtop-eg.com/userfiles/file/xarogebubokoxadiw.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16131503110f50---vonisemafagibir.pdfIn PDF document text
- https://biserica-izvorul-tamaduirii.ro/files/pawibovunaj.pdfIn PDF document text
- https://eternalbliss.net/file/pidukunoxiveniti.pdfIn PDF document text
- http://kaie.org/userfiles/file/20210915185420.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=contacts+making+eyes+redPDF 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_off0000dda9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA9 | 10904 bytes |
SHA-256: 7d886fd37dcce5b165dd00646d86b603fe605c6fd539d1c21f876ba85227d358 |
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font_01_sfnt_off0000f6c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C2 | 17996 bytes |
SHA-256: 4f8f3388a9749cee5080d529685e53c6a64a6d34f96d011c059768e21423d8be |
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font_02_sfnt_off000125ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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