MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external URIs, many of which point to potentially malicious or disposable hosting, suggesting a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to deliver a harmful payload or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://tion.hu/upload/file/78969351376.pdf In PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e4b13c127---35210340742.pdfIn PDF document text
- http://serenetour.com/image/upload/File/tibotetilukamamu.pdfIn PDF document text
- https://ldoris.com/upfile/files/20210906061255.pdfIn PDF document text
- http://kroonzuivel.nl/ckfinder/userfiles/files/22771559668.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/bf41119b4477b7385bab1508aec0e13c/werozovolipapemosi.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210910065408248.pdfIn PDF document text
- https://kolkataangikar.org/ckfinder/userfiles/files/32152057154.pdfIn PDF document text
- https://cmottaviproductive.it/uploads/file/kijakotanepajedazenevu.pdfIn PDF document text
- http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/6846337204.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/gemaraga.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/xokukewopelagopi.pdfIn PDF document text
- https://corianderedmonton.com/ckfinder/userfiles/files/ridizirumejusekulufuzusu.pdfIn PDF document text
- https://lazerom.pro/media/file/wurawupaferixejom.pdfIn PDF document text
- https://begili.com/uploads/image/files/3467537387.pdfIn PDF document text
- http://msslink.ru/userfiles/files/85269883755.pdfIn PDF document text
- http://avsa.org/sites/default/files/images/files/bubinepudaxarogexoji.pdfIn PDF document text
- http://izumrud38.com/ckfinder/userfiles/files/96873469753.pdfIn PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/valoxaxegulaw.pdfIn PDF document text
- http://saothienemb.com/uploads/images/files/33865386341.pdfIn PDF document text
- http://dealershop.es/userfiles/file/zovudopuwifofuwuneviw.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/lavev.pdfIn PDF document text
- http://planbmedia.hu/files/sizesujaradojas.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=hotspot+shield+premium+apk+indirPDF 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_off0000c2f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2F1 | 18988 bytes |
SHA-256: 126b921b6e503f6c79a691dfe18a31e2881d8099a2b6d95cac5a9dcb33488fec |
|||
font_01_sfnt_off0000f3fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3FD | 10840 bytes |
SHA-256: b81639ecea5b2b771b375dc83a3422d3129e02ab488e6997e6940322ea09bb6b |
|||
font_02_sfnt_off00010cc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.