MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to external websites. Several heuristics indicate that these links are part of a link farm, with some hosted on compromised CMS platforms. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://hataylezzeti.com/resimler/files/fejafimixojubar.pdf In PDF document text
- http://refinerlink.com/userfiles/file/98567253583.pdfIn PDF document text
- https://muratay.nl/userfiles/file/26043309952.pdfIn PDF document text
- http://boschvietnam.com/files/usersfiles/files/seximeto.pdfIn PDF document text
- https://cli-kh.com/uploads/files/202109121505102564.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/236edeb5a242bde086286659fdcf877f/nunaxop.pdfIn PDF document text
- https://kolegium.inaheart.org/upload/files/rowovosupebofovu.pdfIn PDF document text
- http://chonburi33.com/userfiles/file/zixurawasawubozulizus.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/015878dcb0261129ba4824105b5735ee/tezakagasuguwo.pdfIn PDF document text
- http://cuacuonductudong.com/upload/files/nazefizubepozafefasa.pdfIn PDF document text
- http://cameradungphat.com/uploads/files/6994275862.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614036da4677a---27398543335.pdfIn PDF document text
- https://edarky.net/data/file/83561467776.pdfIn PDF document text
- http://balone.net/_upload/file///godirejorarizufututon.pdfIn PDF document text
- http://01host.ru/userfiles/files/5489563094.pdfIn PDF document text
- http://avon-bratislava.sk/files/files/liwoxekalu.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a03ca9640a---fabupukupotopalozof.pdfIn PDF document text
- http://snieznik.pl/userfiles/file/bivirilo.pdfIn PDF document text
- http://amsuatrust.org/survey/userfiles/files/difixaxikujelokavi.pdfIn PDF document text
- http://cdwy028.com/uploadfile/file/20210921101552.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/9213371409.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/sepeko.pdfIn PDF document text
- http://sethhukumchandschool.com/userfiles/file/63553240494.pdfIn PDF document text
- http://zlhk.ru/upload_picture/file/kokasit.pdfIn PDF document text
- http://tfe-design.dk/userfiles/file/rejawalufebijudajamigakob.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=quick+charge+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_off0000b2a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2A2 | 15300 bytes |
SHA-256: 77a7f6a4fecf3f4cc06d5dd91ac750392bdc4a42dbe2f56240b097882cfb31a9 |
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font_01_sfnt_off0000d983.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD983 | 10368 bytes |
SHA-256: 5fd824ee8d13ff788d3bcfa9d3df5ea3587158d5b66bc0f1dfb38d69a8603af9 |
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font_02_sfnt_off0000f12e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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