MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised WordPress installations. The embedded URLs suggest a phishing or credential harvesting campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://crysiq.ru/uplcv?utm_term=theseus+and+the+minotaur+mm+publications+pdf PDF link annotation
- https://bluetact.com/locktactyuma/userfiles/file/legama.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/ooqb7qvqsnr94k5hpcu1qqndl0/novobagebagijenotuv.pdfIn PDF document text
- http://pcwenhua.com/uploadimg/file/16290802881081106016.pdfIn PDF document text
- http://onlytech-tunisie.com/userfiles/file/27566988523.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/1e7bbee609e0962797913ac6231ca133/jizaruteziwiwuretixeduwu.pdfIn PDF document text
- http://15449010.com/FileData/ckfinder/files/20210718_99526803C5EC2FD2.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/cdd29e8bf8ca3c1e7cee64e255836dbf/86161928219.pdfIn PDF document text
- https://mujeresenmovimientoplus.com/userfiles/file/82738539157.pdfIn PDF document text
- https://zemtechnika.lt/public/site/0files/51471381787.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/23884871263.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612e8945890a3---65601795832.pdfIn PDF document text
- http://sonsuadogo.org/Images_upload/files/35321320065.pdfIn PDF document text
- http://canxetaianhduc.com/images/file/topozumavatez.pdfIn PDF document text
- https://svingenieria.cl/userfiles/file/pesitadosipazefifamiman.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5e51725d36---funikumezag.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160978e7521571---36449202010.pdfIn PDF document text
- http://gardensyellowcab.com/admin/images/file/nidezodolavesimanela.pdfIn PDF document text
- https://tour-paris-guide.com/cite_imgs/file/gagekamakirawulewule.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/bedunudavugudarowoga.pdfIn PDF document text
- https://aparcaderoshaddaichile.cl/uploads/images/files/fusurekotali.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/lirox.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/femusepo.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/81g4resij2dp3hahqqhv6phi4k/60863318564.pdfIn PDF document text
- http://harchovyk.com/userfiles/file/mexugikogenewokanifoti.pdfIn PDF document text
- http://www.sealjet.mn/pictures/files/63176089081.pdfIn PDF document text
- 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_off0000c531.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC531 | 11088 bytes |
SHA-256: 4945aadce9d808c3d07aff29f3e3336768ee2d0fe4cc8dd169f0933e3e307bfd |
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font_01_sfnt_off0000de8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A0 | 18736 bytes |
SHA-256: 6c6ebc25c92c675204dcb53baefd56b26859e580c3071d3cc6f748c5856a17ac |
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