MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm pointing to compromised CMS uploads. The embedded URLs, such as http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/161029a1466121---kewefugesebo.pdf, are hosted on potentially compromised WordPress sites, suggesting a phishing or malware distribution vector. The PDF's structure and heuristic firings indicate it's intended to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa47fbb506---baruzafasogogeloda.pdf In PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/2a0737b5b83dfbd525cd3f0163ee8be1/tixojeduteki.pdfIn PDF document text
- http://svb-volleyball.de/userfiles/file/wejitibelilogakupire.pdfIn PDF document text
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/b2982a7cd3a005d54357a647a693ad50/16007967285.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de6e744007---31852260360.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/48404873181.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/161029a1466121---kewefugesebo.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/8d60efb466490e0846691f47f4923693/tojebofomegilatu.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/xepeg.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607928ddba6e4---53553708794.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b18eae723---18149111986.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a703eda83be---puposowotagovepexolixub.pdfIn PDF document text
- http://theartofdesign.nl/ckfinder/userfiles/files/bajagez.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/7qu19tas0hjv9nolm7olgnici3/3499495038.pdfIn PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/satuzitugelupidinojir.pdfIn PDF document text
- http://bannhuaduong.net/upload/files/sazawe.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a6382bbc5---lawexiturumopup.pdfIn PDF document text
- http://intertribo.sk/files/mewikurisabukem.pdfIn PDF document text
- http://scales-center.com/shop/fck_file/file/85085524916.pdfIn PDF document text
- https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/8a74625c32a78806cb5a36c6db8cfcd1/47054794730.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/lasoxikiwo.pdfIn PDF document text
- https://isleo.com/i_photos/file/sigavanowolewafukilegeki.pdfIn PDF document text
- http://theartofdesign.nl/ckfinder/userfiles/files/43830412605.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16070db301b8bf---limimarizazazipev.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+do+i+find+the+number+of+valence+electronsPDF 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_off0001096f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1096F | 11124 bytes |
SHA-256: 01a018dee9d72de65d25d5bbcbbf0a4befb9151c59e6cfcbd0b8da798e05a11a |
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font_01_sfnt_off00012333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12333 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013b45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B45 | 19112 bytes |
SHA-256: 4faaa2216c42853f4029853f5aedd0196057969a6c586290243db14a63a62a6e |
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