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 a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings suggests an attempt to obscure the true destination or leverage compromised infrastructure for distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/ponapipaguwemolek.pdf In PDF document text
- http://arsvet.ru/img/upload/xuvug.pdfIn PDF document text
- http://interiorconsignments.com/media/file/59353892770.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161415e695c145---33498298273.pdfIn PDF document text
- http://koyomisushi.com/uploads/files/12345460271.pdfIn PDF document text
- http://vncanada.vn/uploads/files/12493261464.pdfIn PDF document text
- http://eltdb.com/UserFiles/files/22359560809.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/42082914969.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614529860292c---matamaxakolepupam.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141233e80fea---vizufepef.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16139a9f5e87f4---82891617989.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16149b273858ca---12348805881.pdfIn PDF document text
- https://malmospelmanslag.se/userfiles/file/kofeb.pdfIn PDF document text
- http://atoutslegion.com/userfiles/file/48523583864.pdfIn PDF document text
- http://feach.ie/images/uploads/file/11718757794.pdfIn PDF document text
- http://craftland.de/res/wysiwyg/file/rafitomeje.pdfIn PDF document text
- https://wsbtitan.com/images/file/23463530346.pdfIn PDF document text
- http://divapharma.com/uploaded/file/12955634397.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/47990052426.pdfIn PDF document text
- https://www.acta-mobilier.fr/ckfinder/userfiles/files/gobupegijiwezedew.pdfIn PDF document text
- http://bodemveenweiden.nl/bodem-veenweiden-img/12787443312.pdfIn PDF document text
- https://larioenergy.net/uploads/file/nepedumiwavenusap.pdfIn PDF document text
- http://bxbrdh.marketsearching.com/upload/files/pizatofeverigep.pdfIn PDF document text
- http://mylivediamondinventory.com/uploads/files/fidafigagefogijodipo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=mobile+tracker+free+login+app+downloadPDF link annotation
- 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_off0000b315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB315 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB27 | 16224 bytes |
SHA-256: c37db15dfcc00e629bfb632eb2398f9365d3213688a568557e5ebdf67664b14f |
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font_02_sfnt_off0000f41c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF41C | 10936 bytes |
SHA-256: c05bbe2fa368732db3d45199352bb8f74cd7c101cd91f12579a34d696d4afae2 |
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