MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to potentially compromised or disposable hosting, suggesting an attempt to redirect users to malicious sites. The presence of multiple external URIs and a link farm structure strongly indicates a phishing or malware distribution attempt.
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 https://nazrabilisim.com/calisma2/files/uploads/87755139863.pdf In PDF document text
- http://bighost.vn/uploads/userfiles/file/92244054947.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/001f7f2e79eca1f9cd80d99e41cace3e/29856986639.pdfIn PDF document text
- http://maxbrio.kr/files/files/23849122296.pdfIn PDF document text
- http://sevennews.com.br/ckfinder/userfiles/files/movalibuperudemajikib.pdfIn PDF document text
- http://risorsaterra.it/userfiles/files/27959181146.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16136f6ccbcb39---rabatukeninuwewanati.pdfIn PDF document text
- http://www.huescalamagiaenfotos.com/userfiles/files/bajemopedofavu.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16141a5dd5e925---76773225223.pdfIn PDF document text
- https://umutisi.com/umut/upload/files/18690403459.pdfIn PDF document text
- http://rld-carbon.ru/file/66483707476.pdfIn PDF document text
- https://quangcaowebsite.vn/uploads/files/kizekaxakazofep.pdfIn PDF document text
- http://cuacuonductudong.com/upload/files/16688913890.pdfIn PDF document text
- http://fertilityupdates.com/userfiles/files/8165516562.pdfIn PDF document text
- http://falerisztika.hu/tmp/93527885973.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/kebazuxedilobidofizalibuk.pdfIn PDF document text
- http://rld-carbon.com/file/gaxuvakumavobarikeses.pdfIn PDF document text
- http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/96228218515.pdfIn PDF document text
- http://melabo.com/upload/files/zifutolokinifimowigone.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=what+is+the+meaning+of+deleted+account+in+telegramPDF 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_off0000db95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB95 | 21756 bytes |
SHA-256: 61c8377e02e10bd917aa7b7d49b07706e625d4d1595db0229680ea3e6a8df95b |
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font_01_sfnt_off0001149d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1149D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012cb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CB4 | 11016 bytes |
SHA-256: a44fe3a21071d4a9e29e229a858b638569ee8a312230c51b2efa84d410a21c6e |
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