MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high volume of links designed to direct users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://inwebjor.ru/uplcv?utm_term=best+addictive+games+for+android PDF link annotation
- http://historia-bfured.hu/userfiles/file/10330300636.pdfIn PDF document text
- http://tulga.ru/editor/files/71524702584.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/61607408635.pdfIn PDF document text
- http://rbtyutj01.com/userfiles/files/30123560235.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/95312034287.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/81630334889.pdfIn PDF document text
- http://draftingfloorplan.com/ckfinder/userfiles/files/tulonuwidekukozikexuv.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/87466904198.pdfIn PDF document text
- http://designklasse.de/ckfinder/userfiles/files/43912928919.pdfIn PDF document text
- http://chapelguild.com/images/usr/resurovebinafevatoxoxob.pdfIn PDF document text
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/tedifabuzipuv.pdfIn PDF document text
- http://citysoupsbellevue.com/uploads/files/19156672649.pdfIn PDF document text
- https://deepex.hu/hirek/files/sakamamadugasuz.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/081b9193852f08ab73ff633e338d59c4/xodawadilaledom.pdfIn PDF document text
- https://silverbirdmarketing.com/pages/images/file/41257197433.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341d0051f02---kukuliwaketapopifetab.pdfIn PDF document text
- http://kxqcgs.com/filespath/files/20210903052105.pdfIn PDF document text
- http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gifudetawod.pdfIn PDF document text
- https://408of53crownstreet.com/assets/media/files/pukujibuzuje.pdfIn PDF document text
- http://inspiredindianfoundation.org/uploads/26880298415.pdfIn PDF document text
- http://bobas24.pl/Upload/file/10031734588.pdfIn PDF document text
- http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/77659583935.pdfIn PDF document text
- https://livredart.com/ckfinder/userfiles/files/32550162257.pdfIn PDF document text
- http://architettodrabeni.it/userfiles/files/boponoranalunuro.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_off0000e96d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE96D | 17560 bytes |
SHA-256: 7a32e3b50447ccc2914507abd5005f1bdb18a29f59bf7b98442b5ae44eb6d2c3 |
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font_01_sfnt_off000116c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116C7 | 10892 bytes |
SHA-256: fd45bc9e167dd022f4632de54183f85d3388285cc0e9c7ab1869bd0d3a54d6f1 |
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font_02_sfnt_off00012fd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FD5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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