MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for malicious PDFs to execute code. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely redirects the user to a URL such as http://jualumnitoronto.com/editor/uploadfiles/35825460109.pdf, which is characteristic of phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9757
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://jualumnitoronto.com/editor/uploadfiles/35825460109.pdf In PDF document text
- http://p-itos.net/admin/userfile/image/file/boxigomeve.pdfIn PDF document text
- http://pc580.cn/upload_fck/file/2021-9-6/20210906192649203508.pdfIn PDF document text
- http://moiarchitekci.pl/pliki/file/85491430112.pdfIn PDF document text
- http://ikkosushi.com/uploads/files/pejefiniru.pdfIn PDF document text
- http://ozkayalarlojistik.com/userfiles/file/15094635596.pdfIn PDF document text
- https://groupunsur1.com/contents/files/nomeporimubigatu.pdfIn PDF document text
- http://azseal.net/uploads/userfiles/file/reroxijedonanofobun.pdfIn PDF document text
- http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xujomumuroranaxipazuwow.pdfIn PDF document text
- http://lustigersteirer.at/userfiles/file/50904505053.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/97668633324.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b067870310---6320116501.pdfIn PDF document text
- http://tecs4.com/intranet/ckfinder/userfiles/files/tagaxavuvekutesoduz.pdfIn PDF document text
- https://kotypsy.pl/ckfinder/userfiles/files/75061283781.pdfIn PDF document text
- https://laflammerouge.ch/userfiles/files/lesonuzuxadajaxenawagilut.pdfIn PDF document text
- http://1-sanya.com/blog_images/blog_/file/75486332938.pdfIn PDF document text
- http://mp-journal.com/media/file/46710058188.pdfIn PDF document text
- http://parfumland.sk/upl/wafap.pdfIn PDF document text
- http://lica.plovdivweek.com/js/ckfinder/userfiles/files/bogodetizejidiruporok.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/fozubixibibun.pdfIn PDF document text
- https://kotata-zlin.cz/obr/clanky/file/naguzefunitutosonaxisefaj.pdfIn PDF document text
- http://thegioituigiay.net/uploads/files/tekubukojopire.pdfIn PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wafuwilitofevakiberabuzi.pdfIn PDF document text
- http://presssimayeshahr.ir/pic/file/12485767025.pdfIn PDF document text
- http://tythb.com/uploadfile/files/28152513525.pdfIn PDF document text
- https://phucatgarment.com.vn/ckfinder/userfiles/files/53264905838.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=avakin+life+mod+androidPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b584.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB584 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD96 | 18504 bytes |
SHA-256: 383e98e88aede26de89db4e2e2bedfdf0cd56b701806c796988e0b443058d525 |
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font_02_sfnt_off0000fba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA2 | 10388 bytes |
SHA-256: 6168a312dc0847fbdfec54712c8280bcf008ab4a90d2d91233c416142e847608 |
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font_03_sfnt_off0001130e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1130E | 1820 bytes |
SHA-256: ef4c56b83544acc0eae329b123dcb13384a4443b8ee25b6b011fcec9f25c534c |
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