MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. Static analysis revealed it functions as a link farm, containing numerous embedded URLs pointing to other PDF files. Several of these URLs are hosted on domains associated with compromised CMS uploads or disposable hosting, indicating a likely phishing or malware distribution scheme.
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://tienphat.vn/imagesflashupload/file/vatiwanizesikekinade.pdf In PDF document text
- https://togeltop.net/contents/files/bofasoluxer.pdfIn PDF document text
- http://upakuika.com/img/file/dinaxodivumuvuniwigu.pdfIn PDF document text
- https://dermatologie-chamonix.com/userfiles/file/18623418831.pdfIn PDF document text
- https://turismo-galicia.es/ckfinder/userfiles/files/89890496386.pdfIn PDF document text
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/54408982627.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133cd48d4269---22156265072.pdfIn PDF document text
- http://midel.me/userfiles/file/favafufever.pdfIn PDF document text
- http://jump360.co/upload/files/20210911054325.pdfIn PDF document text
- http://hanabi-la.com/uploads/files/tumiwudot.pdfIn PDF document text
- http://z-sinpro.com/upload/files/nezej.pdfIn PDF document text
- http://irinabailey.com/upload/files/36659883520.pdfIn PDF document text
- http://exmar.it/foto_fck/file/mawirezudipokodedekem.pdfIn PDF document text
- http://yummyschool.com/_UploadFile/Images/file/3220647680.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/161317452d8f36---43895143175.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/cidaq7lg2jbtnsrm6ilfra1ppg/63064573014.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/3147782213.pdfIn PDF document text
- http://whuntex.info/userfiles/file/44258972542.pdfIn PDF document text
- http://www.pilatesyoga.hr/files/files/21728550790.pdfIn PDF document text
- http://locum-system.pl/userfiles/file/82026023504.pdfIn PDF document text
- http://rspon.pl/images/wyswig_images/file/rapexaxerubolivenewunila.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/c8b8i30n1m3jfe4t14jh4kr36e/42286502768.pdfIn PDF document text
- http://happysmilecard.com/uploads/files/82770331314.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/punizezarelele.pdfIn PDF document text
- http://tunapvietnam.thietbiotoviet.com/Images_upload/files/2802388244.pdfIn PDF document text
- http://trips-in.com/ckupload/files/951416421.pdfIn PDF document text
- http://potya.com/46302026513.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=android+tts+apiPDF 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_off0000d6e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E7 | 17320 bytes |
SHA-256: 0cb1c166bc05f1ff76bb770f8e3294860ed6eb4dab2f8bd071102a475a99fa5f |
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font_01_sfnt_off00010394.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10394 | 10188 bytes |
SHA-256: 735c4a3e9a6be969d772b06f681f517e5126d0a6198991cfbcdb5a8591cd99e6 |
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font_02_sfnt_off00011a80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A80 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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