MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a high-risk link to an SEO redirector, indicating an attempt to lure users to malicious content. The embedded JavaScript likely facilitates the execution of further malicious actions, such as downloading a second-stage payload from the linked URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.6641
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://yoyep.co.za/XSRYdR1H?utm_term=graco+airless+paint+sprayer+tip+guide PDF link annotation
- https://drterrace.com/london-100.com/userfiles/file/12801185627.pdfIn PDF document text
- http://teleprasowanie.pl/kcfinder/upload/files/27866633981.pdfIn PDF document text
- https://mallenmediations.com/mallenmediations/images/userfiles/file/94059448868.pdfIn PDF document text
- http://boldogelet.hu/media/28650288491.pdfIn PDF document text
- http://sfipl.in/userfiles/file/lagoxiripar.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/162216118605ee---pijebug.pdfIn PDF document text
- http://peach2560.xyz/js/ckfinder/userfiles/files/fironikezivubuzot.pdfIn PDF document text
- https://albertsdrukwerk.nl/bestanden/files/1704973032.pdfIn PDF document text
- http://abrushfire.com/kcfinder/upload/files/78740673889.pdfIn PDF document text
- http://viajaconsciente.com/imagenes/userfiles/file/12407200815.pdfIn PDF document text
- https://uncme.org.br/Gerenciador/kcfinder/upload/files/futukuk.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/tupotafax.pdfIn PDF document text
- http://albertopizzetti.it/userfiles/files/sifuxizeviw.pdfIn PDF document text
- http://domadoma.cz/userfiles/file/93790745385.pdfIn PDF document text
- http://srimmigrationconsultants.com/kcfinder/upload/files/tawatofujemokaxaxaronapi.pdfIn PDF document text
- http://posekatzahradu.cz/files/file/88298856390.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/lugubagawelumofoxufuve.pdfIn PDF document text
- https://nocleginaplus.pl/uploads/userfiles/files/14667009179.pdfIn PDF document text
- http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/77322158648.pdfIn PDF document text
- https://parc-hotel.info/file/36092145506.pdfIn PDF document text
- https://boleto.serveragbr.com/datamont/userfiles/file/gifivo.pdfIn PDF document text
- https://tiad-mtm.com/assets/admin/js/plugins/kcfinder/upload/files/wiradetamukotafiz.pdfIn PDF document text
- https://ukmalayalamnews.com/userfiles/file/govuzesojujodumesekaluser.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/redoda.pdfIn PDF document text
- https://mwasafat.com/uploads/files/87992016687.pdfIn PDF document text
- http://zssulejovice.cz/kcfinder/upload/files/bejer.pdfIn PDF document text
- https://beds.lifelinecenters.com/news_items/file/85194307782.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2022-3-14/20220314025007105297.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/49138522109.pdfIn PDF document text
- https://siltri.com/fck_upload/file/tijedaxe.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/5sp15ajigbe1o9i8pjegprh703/10120532767.pdfIn PDF document text
- http://hmsendo.pl/uploads/editor/file/66077460895.pdfIn PDF document text
- http://glearningsolutions.com/userfiles/files/wizinuro.pdfIn PDF document text
- 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_off0004ee81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EE81 | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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font_01_sfnt_off000505a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x505A1 | 10944 bytes |
SHA-256: 205c238f2c21cd57c3918469a8487b72f5b818f935aa338635edcee241b7fb32 |
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font_02_sfnt_off00051ef4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51EF4 | 18536 bytes |
SHA-256: eff9ddaca5fc6117886c22596fe84631bc1ec20e476f56bdbe00e219b2a6bd63 |
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