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, specifically flagged as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, characteristic of a link farm. The embedded URLs suggest an attempt to redirect users to potentially malicious content, possibly for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://siamsankyo.com/Uploads/file/negebonigidas.pdf In PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e87f0db926---93137777837.pdfIn PDF document text
- http://basaritarim.net/admin/editor_resim/file/48616864867.pdfIn PDF document text
- http://sushigonewildtogo.com/uploads/files/jagejagawurulawigitanu.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/91546206194.pdfIn PDF document text
- http://bookblog.kr/data/file/files/85456695949.pdfIn PDF document text
- http://ccsup.co.th/uploads/ckfinder/files/momovurazumilumij.pdfIn PDF document text
- http://tuttotop.com/userfiles/files/sogidutuvamaxurexod.pdfIn PDF document text
- http://benetworkingpro.com/ckfinder/userfiles/files/4855459369.pdfIn PDF document text
- http://yourhealthyanswer.com/ckfinder/userfiles/files/dexisimopokotuvabavezozem.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/89572548169.pdfIn PDF document text
- http://hacoauto.vn/upload/files/48552137229.pdfIn PDF document text
- http://atlonnuri.org/UpLoadImage/editer/files/tezum.pdfIn PDF document text
- https://canevastoilestjean.com/upload/editor/file/85179454429.pdfIn PDF document text
- http://biosafety.biz/ckfinder/userfiles/files/petozevovisavovidamuwe.pdfIn PDF document text
- http://kunmobile.vn/files/uploaded/20210906/file/xirexosakanovomutizuwaf.pdfIn PDF document text
- http://abpaluso.com/upload/file/43719099650.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/88851203295.pdfIn PDF document text
- http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/vofobijimijamoxuzoju.pdfIn PDF document text
- http://italiangreyhound.pl/img1/userfiles/file/88505029691.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/e99a1b34ddea2636e68a0d7100c2bdcd/wamokoma.pdfIn PDF document text
- http://gianphoiduyloimodel.com/Images_upload/files/40248728363.pdfIn PDF document text
- http://rigassprotes.lv/uploadz/file/wibedabipikaketat.pdfIn PDF document text
- http://geerhannutpourreussir.be/docs/upload/files/vixudijidejedajored.pdfIn PDF document text
- http://thanhtindesign.vn/uploads/image/files/buxuteterufavol.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/p4oad81b13h9dnl63cvf5qt31a/50142967701.pdfIn PDF document text
- http://packturf.fr/files/48641406781.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=gta+5+mobile+pw+no+verification+apkPDF 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_off0000d8f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f106.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF106 | 18020 bytes |
SHA-256: d688206dbe579fa72d450ced21838703a1ffe89597406dd02d0dfd98f1d7b2b2 |
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font_02_sfnt_off00011ff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF5 | 11032 bytes |
SHA-256: 5461f1d2927deab1f09035d833ce842c08f867173f101dc4d3daec719941c98b |
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