MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the document is a link farm on disposable hosting, with 26 distinct hosts and 26 links, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ginzaramen.us/uploads/files/wavusuxupotupivumosujanab.pdf In PDF document text
- https://dom-titan.rs/files/90120874943.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/99299269039.pdfIn PDF document text
- http://hodinovysoused.cz/upload/file/22000146638.pdfIn PDF document text
- http://veterinariacomportamentale.it/userfiles/files/jegogeputivinubor.pdfIn PDF document text
- https://callmarkinvestments.fortunekenya.com/callmark/files/24124748932.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rozikezil.pdfIn PDF document text
- http://orthopediedelft.eu/files/wanaxilomuzufowezawivaxu.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/86344103880.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/0366c207d587d908946ec6f1d1403682/90814235193.pdfIn PDF document text
- http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/60956321574.pdfIn PDF document text
- http://familiegravesen.dk/ckfinder/userfiles/files/34854670133.pdfIn PDF document text
- http://nfrostov.ru/upload/files/18438196973.pdfIn PDF document text
- http://accapierre.it/userfiles/files/lagatekun.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-7/20210907181006627352.pdfIn PDF document text
- http://huijingweb.com/upload_fck/file/2021-10-3/20211003173359707053.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156a7a6e1ccc---gupevoxakiridobakogagujot.pdfIn PDF document text
- http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/fapuxodilodibezizulemeni.pdfIn PDF document text
- https://keongracun.org/contents/files/61639749511.pdfIn PDF document text
- http://www.kymenhome-etsinta.net/tiedostot/files/33960566490.pdfIn PDF document text
- http://studiodispirito.it/userfiles/file/wurudaledapa.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/gikubamivumorasaso.pdfIn PDF document text
- http://s2group.pl/userfiles/file/mutipe.pdfIn PDF document text
- http://okzawidow.pl/img/upload/files/90045863585.pdfIn PDF document text
- http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/luwotelirowadag.pdfIn PDF document text
- http://dlzhrjd.com/images/uploadfile/files/46136601079.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=fast+and+furious+1+download+720pPDF 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_off0000da6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA6A | 19532 bytes |
SHA-256: dd698e156e1110999dc12221ab4e35b4d2e18c9424f7fd4352bf2ac64a1e4fe3 |
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font_01_sfnt_off00010ccb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CCB | 10868 bytes |
SHA-256: 8150c6a66ec4ba20f3f7016cc2b37f402d920b3eb9ad9e91d212092bd329c7bf |
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font_02_sfnt_off00012626.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12626 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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