MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. The PDF also exhibits characteristics of a link farm, with numerous external URIs pointing to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://stonepigments.com/userfiles/file/25873695368.pdf In PDF document text
- http://etepi.pt/js/ckfinder/userfiles/files/kifudejazimagek.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/jelowebojonubaxomuvoteri.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/dotituzalizugebirezejumuw.pdfIn PDF document text
- https://designclarf.it/file/82184316676.pdfIn PDF document text
- http://konsultacjenaukowe.eu/Upload/file/73390664435.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/a66e87233fd5327bc220db759f2c33be/zajugiwivekokas.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615e47ffefa3c---10911989947.pdfIn PDF document text
- http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/64689226417.pdfIn PDF document text
- https://mjrspot.com/fckimages/file/5322525591.pdfIn PDF document text
- http://technestudio.eu/userfiles/files/94534515027.pdfIn PDF document text
- http://vhktn.at/images/content/files/tovono.pdfIn PDF document text
- http://gdgom.com/upload/file/210925065452047421yyktklvlgjrf.pdfIn PDF document text
- http://avision-italia.com/userfiles/files/pomomegiwu.pdfIn PDF document text
- http://na3.it/misc/file/8217833051.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-09-01/images/files/jifevo.pdfIn PDF document text
- http://mudrkanuch.sk/editor_uploads/system/files/43764941777.pdfIn PDF document text
- https://estatecambodia.com/htdocs/cljr/data/files/55671074619.pdfIn PDF document text
- http://tamlaproject.com/userData/board/file/96574642283.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210912_F39F48821024C965.pdfIn PDF document text
- http://oiseau-bleu-morzine.com/userfiles/file/14815804840.pdfIn PDF document text
- http://zawodydrwali.pl/app/webroot/userfiles/file/dodurilabijuwatatur.pdfIn PDF document text
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/bexowe.pdfIn PDF document text
- http://e-hematologica.pl/users/file/22718428481.pdfIn PDF document text
- http://e-restauracion.com/app/webroot/files/uploads/files/65563567522.pdfIn PDF document text
- https://datajournonepal.org/files/34658537079.pdfIn PDF document text
- http://officeharbor.com/pdtInfo/79350015416.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=what+do+you+say+in+a+job+interview+about+weaknessesPDF 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_off0000b23f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB23F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA56 | 11020 bytes |
SHA-256: dd2d51053e5bc0c3a2b66be3b5ea1167af2f6e0cf7a7d5fc5d5bba977941aa7b |
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font_02_sfnt_off0000e3f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F7 | 14576 bytes |
SHA-256: 62243887dbcdb78c1cb5c4e3a6388d12f91aa2a4ecfd23913c53508caa3655d2 |
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