MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to various domains, some of which appear to be compromised CMS uploads, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the PDF structure itself are indicative of an attempt to lure users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://anmimar.com/royal/userfiles/file/96054558824.pdf In PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612edfb770904---mujezasem.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/3q953uu0bavvrgh51lq6ui5t30/jamaxed.pdfIn PDF document text
- http://annabarons.lv/files/files/96325189969.pdfIn PDF document text
- http://wintec-samu.hu/uploads/files/wametelajek.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/xibafapidaforikigovukul.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/idlr9ol0rkipukrtcf4o0q5ecc/leweribajer.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/88910669980.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8be98badf---74925037962.pdfIn PDF document text
- http://officeharbor.com/pdtInfo/fibasi.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/refapiwela.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/2510871586.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8a5727e99---sodisavola.pdfIn PDF document text
- http://mextro.de/upload/files/4172917092.pdfIn PDF document text
- http://skupka54.ru/upload/m/5791776175.pdfIn PDF document text
- https://www.nvsrolko.org/ckfinder/userfiles/files/55813279731.pdfIn PDF document text
- http://alfavs.eu/userfiles/file/welir.pdfIn PDF document text
- http://tdbakademi.org/userfiles/files/kerazeledese.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132058a6e84d---sosutozozolujokefafovosoj.pdfIn PDF document text
- http://tai-group.com/upload/files/tobojeligoxaj.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/mapozisilewafodibarox.pdfIn PDF document text
- https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/darepogukawapekalajomaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=facebook+messenger+ios+vs+androidPDF 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_off0000cfc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC5 | 18168 bytes |
SHA-256: 2a4e741a295a67b9c84a41e1e83a7f858d1a78b1630668b197a3762f1036da9b |
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font_01_sfnt_off0000fed8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116EF | 10844 bytes |
SHA-256: 43903cddb9ac1e9a782ab28f447cf4e19005ffbcf02edeff7ab6ebe2547fc2f9 |
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