MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to various websites, some of which are hosted on compromised WordPress upload directories. The document body is unreadable, but the heuristics indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://micruts.org/userfiles/file/80108046741.pdf In PDF document text
- http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/kubofulefogetarunejovi.pdfIn PDF document text
- https://konyaalotaksi.com/userfiles/file/zebazelet.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/kuropidubanufotasovujisur.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/688b3aaac06e3ca7fb69e1460578a9dc/76578124698.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210901140941.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d161573f2c---40465562316.pdfIn PDF document text
- http://www.prctech-th.com/ckfinder/userfiles/files/sogasibenujeg.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/kugebapinogemataguluguk.pdfIn PDF document text
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/9528111461.pdfIn PDF document text
- http://solarexperte.ch/fckeditor/editor/images/file/jodaxovarelifomitur.pdfIn PDF document text
- http://15449010.com/FileData/ckfinder/files/20210912_CC3411C28BF769A9.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613390a223ab5---38395150429.pdfIn PDF document text
- http://tanriovermensucat.com/uploads/genel/files/zukotiravono.pdfIn PDF document text
- https://birutelorasin.com/contents/files/15866607234.pdfIn PDF document text
- http://huabulaw.com/uploadpic/2021-9/file/2021090809471073499.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/dafe2319f7bcc916012dd62ae9d2dbf2/60218628259.pdfIn PDF document text
- https://kaplaitalia.it/userfiles/files/83666442110.pdfIn PDF document text
- http://hotechike.com/files/files/jewanoteremifejuz.pdfIn PDF document text
- http://kleinschadenexpert.com/userfiles/file/diradada.pdfIn PDF document text
- http://santeh.md/img/files/42230039142.pdfIn PDF document text
- http://nakloboucku.cz/uploaded/file/71643522679.pdfIn PDF document text
- http://vuonlan.vn/data/upload/files/pakibefixekowelofefuwaf.pdfIn PDF document text
- https://krainaogrodow.eu/zdjecia/fck/file/satevoguvonibaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=webview+in+android+studioPDF 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_off0000ba4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA4C | 10580 bytes |
SHA-256: 33146b37a1332f4102f80655c933180fe7a36a870613eb8edd730c0d42c12be0 |
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font_01_sfnt_off0000d2a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAB4 | 18304 bytes |
SHA-256: f14273bd1308d35dd0f71c5246c8e863c9b59e8dbd1ed023f1bc3a5ca5e63480 |
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