MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or malware distribution tool. It contains a large number of external links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://oniceh.ru/uplcv?utm_term=how+to+reset+frozen+android+phone PDF link annotation
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/94069905778.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613926207e6e8---35851801100.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/2l7eom20kua3sa5oibig9s4713/jabuzumabimo.pdfIn PDF document text
- http://geofer.eu/userfiles/files/41708692994.pdfIn PDF document text
- https://infotechsystemsonline.com/ital/www/img/file/metutu.pdfIn PDF document text
- http://learningkey.org/userfiles/67080615107.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/38c24a9c0559faa125e1a7e6465d0421/37651093566.pdfIn PDF document text
- http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/mazifetizipekakawigu.pdfIn PDF document text
- http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/70129611799.pdfIn PDF document text
- http://sonnenheizungen.ch/fckeditor/editor/images/file/pazuwatifud.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613728af39f10---17422148563.pdfIn PDF document text
- http://abwclayton.com/uploads/files/kirirudunalaluxegije.pdfIn PDF document text
- http://armanetti.com/images/zapafodemubekanerelerevu.pdfIn PDF document text
- http://macierz-grodziec.org/files/file/96358425412.pdfIn PDF document text
- https://ostrichpharmaceuticals.com/userfiles/file/rorodafopon.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/8b2718620eda1cc30cacd5bc8a379cf1/lezaborinepe.pdfIn PDF document text
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/xusufidapuxelox.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/gegobeboze.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/64bf43fab185f5e4fae82f8849f0bbd1/bokebikuxowimova.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/30849810579.pdfIn PDF document text
- https://www.tcf.gov.tr/ckfinder/userfiles/files/28155670293.pdfIn PDF document text
- http://huichem.com/ckfinder/userfiles/files/63986798662.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/mojuwozemeroji.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146527436886---754537788.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/vvati8th3tu4f58vn364hindfe/tapevuxamuki.pdfIn PDF document text
- http://majstrissmt.eu/www-data/file/11749977145.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/962c95f1b97a4201665aace9259421ac/65070722031.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_off0000e614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE614 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE2B | 10684 bytes |
SHA-256: 2b64e3239ded388c02d226a51bc0e785747cea18b4c9a8bdce5842cc2f3bce04 |
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font_02_sfnt_off000116aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AA | 17816 bytes |
SHA-256: 54750c2a7a3b772bd72b12d221fb9544cf172ae886e8cc56e89d4c356f1b939e |
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