MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The embedded URLs, such as 'https://oniceh.ru/uplcv?utm_term=fnaf+toy+chica', likely serve as lures to download further malicious content or redirect to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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=fnaf+toy+chica PDF link annotation
- http://kantoromega.pl/userfiles/file/figozotaxofazopubo.pdfIn PDF document text
- https://roweryelectra.eu/app/webroot/uploads/file/16245655475354.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/8gsb6d0ebefvgi88f8hsn2igi3/zeboviwadaxavudobularup.pdfIn PDF document text
- http://marinapogon.pl/upload/file/beponagepolef.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/63248752936.pdfIn PDF document text
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kitagunimigaxurifumesod.pdfIn PDF document text
- https://xehowo24h.com/images/ckeditor/files/tadumexusap.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160afc5fc6c496---kemirinakefewusefudiv.pdfIn PDF document text
- https://apotekatia.ba/fajlovi/rafonomepazo.pdfIn PDF document text
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/94803710a85f9b72cae1b1301713306c/31831569787.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/24996357292.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/mtautukfhbsfu3qdc1m66io8e1/roraguwapunu.pdfIn PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/logipo.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/60989170351.pdfIn PDF document text
- https://mvpartners.be/images/uploadedimages/file/dozikuronamiz.pdfIn PDF document text
- http://dzbnf.com/upload/file///36527953328.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b45153bbc9f---50503481581.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210523022514.pdfIn PDF document text
- https://prosperitas.be/data/assets/file/10048581328.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/632106cddaa48c09293ea577dbd2848f/digosemivuxaxavu.pdfIn PDF document text
- https://petkasem2hospital.com/images/upload/userfiles/files/19546818211.pdfIn PDF document text
- http://dakhoanhanai.com/images/files/sipukokufavo.pdfIn PDF document text
- https://grupo-kayros.com/userfiles/file/24510535295.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_off0000d535.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD535 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4C | 10080 bytes |
SHA-256: 2e867aec8d8997ed7cf248e4df4429fddc66768307645c68cd43975e53bb2128 |
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font_02_sfnt_off000103b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B3 | 18148 bytes |
SHA-256: 4141a90a87ede8fb1e45d3d212a0f08563b165b05f2e418036d2b21532944564 |
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