MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely leveraging embedded JavaScript for redirection or exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caa08af81a---punigoxodagogabanilepoxe.pdf In PDF document text
- https://lienlacanien.com/img_pages/file/39663914158.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/47a386deda5b3d969e4e33cfab11016c/6554974106.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/1ml0g5m3g4ckqf6i6b6fp8fnk8/vaveli.pdfIn PDF document text
- http://utuin.net/files/fckeditor/file/98355372179.pdfIn PDF document text
- https://edcasys.com/ci/userfiles/files/kizebesumumubenorul.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/f90fc80d769227d3a77a4d53e45d5ec2/15396981438.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c04cd5375ea---79214896007.pdfIn PDF document text
- http://expresskaliski.info/file/vomulexutomewadadavevilif.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/jasibase.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074811e2bcff---4820820184.pdfIn PDF document text
- https://irrisyst.eu/files/file/28708728473.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/b29ff04e8f8b61a03394b79e3e14547d/zurob.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6b1dc423a---difokilowujimavonen.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/29228180425.pdfIn PDF document text
- http://www.aamuhsv-madisonalumni.org/files/files/65242935838.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=leopard+size+and+weightPDF 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_off00015687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15687 | 10728 bytes |
SHA-256: 84bb0fb2151355fbe6a97bea5591f0275c1e75d68d4c17bdb263f245edaa966e |
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font_01_sfnt_off00016efc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EFC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001870e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1870E | 21516 bytes |
SHA-256: b126058239a73eb4b75bbb2f54f99f352192c75b163ffd40e139150b26af8c7e |
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