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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS upload storage or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded links are consistent with a spearphishing attachment used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://studio70.eu/userfiles/files/rabudijituwiju.pdf In PDF document text
- http://tubietelbar.hu/uploadfile/pawomariwamujaw.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/giwepovisunadize.pdfIn PDF document text
- http://innovatepc.com/userfiles/file/bapixananusezidugonegejos.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd124c88ac---46899820366.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d2ffda631c1---fubepubizevuvum.pdfIn PDF document text
- http://agro-pasz.pl/ckfinder/userfiles/files/62436213587.pdfIn PDF document text
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/70171669901.pdfIn PDF document text
- https://mandarinusa.com/userfiles/file/1630313348.pdfIn PDF document text
- http://nofatrans-int.com/userfiles/file/muminobafupet.pdfIn PDF document text
- http://ilsungwarehouse.com/userData/ebizro_board/file/96015430806.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078c8fa23a86---10025865750.pdfIn PDF document text
- http://blackshirts1960.com/clients/876325/File/lukipu.pdfIn PDF document text
- http://beulahcooleycollection.com/clients/870349/File/rijinomewari.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/38075612389.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f3904cbd0---19753170706.pdfIn PDF document text
- http://www.corazondelsol.es/ckfinder/userfiles/files/5188924542.pdfIn PDF document text
- https://actorconseil.com/files/file/mokid.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/04f7ad9ee67147923f7de76ccc7b687b/xiterolokuruxegu.pdfIn PDF document text
- http://bifruit.mk/ckfinder/userfiles/files/46668001140.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/52576a849a64511ad678fb23d673d681/vubizamivarobalevu.pdfIn PDF document text
- https://bangprice.com/bangprice.com/beta/cms_image/file/50255497015.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/xuvak.pdfIn PDF document text
- http://qcfloor.com/userfiles/file/berikak.pdfIn PDF document text
- http://hoangduy.vn/vn/files/lupikexipararogowunopawi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=dos+and+don%27ts+in+thailand+pdfPDF 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_off0000c3ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3AC | 17300 bytes |
SHA-256: efc1e3da4d00946e89fd4ecedd7772edd1e359756e6d93ffffe75d22effb86b4 |
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font_01_sfnt_off0000f012.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF012 | 10396 bytes |
SHA-256: 86f43d839271ac8cd9929a2aadebd7e69706f81335c8b8938cd95eb415c28871 |
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font_02_sfnt_off0001077d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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