MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and presents a deceptive 'download' button, suggesting it aims to trick users into downloading a payload. The presence of numerous links pointing to compromised WordPress sites and disposable hosting further supports a malicious campaign, likely involving phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160739d542bdd9---gujozisusozuzadunotegoba.pdf In PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160798ecb4a653---28397934501.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/21238b7cbfa28c61ec5847515ebaf53f/48021584127.pdfIn PDF document text
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/160738f87ec964---rukexuwanixexu.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16095d6ee3e444---doripezizakam.pdfIn PDF document text
- https://stallion-international.com/userfiles/file/32605931817.pdfIn PDF document text
- http://inwama4.vn/webroot/img/files/kalubusidemab.pdfIn PDF document text
- http://dominoliberec.eu/images/file/files/49882308983.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/47787837169.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/54228252362.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/63554717962.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160881b99913e7---dezobofalufuruvuxewejed.pdfIn PDF document text
- http://appletechsolutions.com/userfiles/file/6416415469.pdfIn PDF document text
- http://prime-standard.com/piceditor/file/43815352600.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/40580521817.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/c4a6bf6c8a4f8d76d48613360e0b6066/vowot.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/9298237925.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c4c7204b4---vudedopunigugatafatuzu.pdfIn PDF document text
- http://appletechsolutions.com/userfiles/file/rizefeka.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16084ea76992cd---dakukadepabafewurix.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/mumiz.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d895dbccbac---wanuvasiwajejoxit.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984823ef284---jokewesigemof.pdfIn PDF document text
- https://relans-nn.ru/images/docs/file/binikutapovijadafaxoga.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=locomotion+and+movement+neet+notes+pdfPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/765ec78e045e2713dbb4700e63d01d79/71155043930.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_off0000e428.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE428 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC3F | 10660 bytes |
SHA-256: 810050fa4b22201fb627a9aef80c7bc74ac748470eb5984b114c5bc2c8877a51 |
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font_02_sfnt_off000114a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114A7 | 16804 bytes |
SHA-256: 070bc42656e9b6e4e95e8694f65cb7935a68ad8355d6012d7660bfe40cd7ae4e |
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