MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress upload directories or are hosted on disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/levazekosumugalaj.pdf In PDF document text
- http://librojuridico.com/aym_images/files/26303925608.pdfIn PDF document text
- https://kcharp.com/ckfinder/userfiles/files/rozoj.pdfIn PDF document text
- http://keletunderground.hu/images/uploaded_pics/file/46558393147.pdfIn PDF document text
- https://publicbridge.pl/userfiles/file/38576310948.pdfIn PDF document text
- http://uptindia.com/newsimages/file///ziziwetizewetuxunirabu.pdfIn PDF document text
- https://topinsolventa.ro/userfiles/file/zafegovenatetifokibu.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/53614456671.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a00b781ae4b---26929550748.pdfIn PDF document text
- http://scarpatti.com/files/54496733083.pdfIn PDF document text
- https://vestol.bg/files/file/muzimuwisusulofepe.pdfIn PDF document text
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1f2bd4408---temefowomapovakozix.pdfIn PDF document text
- https://phm.vn/upload/files/90011720169.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725d005a31a---94879797825.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/3b5a9efc9f0b0ea4900564218101aadd/nuximixulazug.pdfIn PDF document text
- http://mirutte.com/newsfiles/files/34636803257.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125321a3ba54---zexupubidamunaferi.pdfIn PDF document text
- http://emannsltd.com/userfiles/15952304752.pdfIn PDF document text
- http://bbgannualseminar.com/clients/6/60/607ac775fa755cf068047886b2bbe24d/File/22136364208.pdfIn PDF document text
- http://carefirstwalkathon.com/clients/8/89/89514deb4c0e8807eb046cac28c4977f/File/nesirufumopa.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/vekikalokagamofapate.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c6599dfa19---90591092700.pdfIn PDF document text
- https://hgindustrial.eu/userfiles/files/zodedezetelujubofo.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160adb88ae490c---57678056268.pdfIn PDF document text
- https://castel.ro/userfiles/file/20954963762.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bda4453736b---sumalotubemerafijajog.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=audi+service+manuals+onlinePDF 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_off0000efbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000107ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CE | 18396 bytes |
SHA-256: 33ff30664fb6e1b3d56574dd5d0d026975b87c3302ebd59662277b25cbef70b0 |
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font_02_sfnt_off000137b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137B9 | 10580 bytes |
SHA-256: 107153eaf66484eaf732370ce42f66add61b1fe86409060f19a66ef2239dd4e7 |
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