MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised CMS upload directories and disposable hosting. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics strongly suggest this PDF is designed to deliver malicious content or lead users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://flashdisplay.net/UploadFiles/FCKeditor/20210918215652.pdf In PDF document text
- http://giovanniseneca.eu/userfiles/files/nuvudigeredisutisavur.pdfIn PDF document text
- http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/47988883473.pdfIn PDF document text
- http://pensionpoint.cz/userfiles/files/vixoritatezurigurorajimor.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e54ad393f---zunatatim.pdfIn PDF document text
- http://rosniyom.com/userfiles/files/totupogemikefabunamoger.pdfIn PDF document text
- http://clubesquilacoma.com/uploads/files/71386361003.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16144095b5297a---neraneme.pdfIn PDF document text
- http://pmrs.ps/userfiles/file/sozuxewiponabupaxuzu.pdfIn PDF document text
- http://wangguanhardware.com/userfiles/file/gofilipiwifarumoxev.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130f1d9525a0---kegufufufemexe.pdfIn PDF document text
- http://www.examnotice.in/uploads/files/58567871888.pdfIn PDF document text
- http://sns.hu/_user/file/80055790241.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16131d4497e87f---35917327202.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/75444856524.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/14137066655.pdfIn PDF document text
- http://lakesnwoodskerala.com/uploads/file/71909892059.pdfIn PDF document text
- https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/62052001825.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/2f879c37f9d979f0c76c477727917325/watene.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/fovadawogulomiwepoku.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=cap+cut+pro+app+downloadPDF 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_off0000e3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3AE | 10332 bytes |
SHA-256: 784c2cb984b7f8fbe8f478be4cb82693f89937a85843bee66e66cfd92cb9e6ed |
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font_01_sfnt_off0000fb27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11339 | 17392 bytes |
SHA-256: 489400c1098b673e44989382a9c4d457313d01a7dcb12dbaf5f68ae07aa54234 |
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