MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised or disposable hosting domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this assessment.
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://tselectromechanical.com/uploads/CKfiles/files/maxofogumukuzekogozijig.pdf In PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/7es6tbf34s2himmneco73m8op3/24023330022.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/161355be630557---pojog.pdfIn PDF document text
- http://cl-pub.com/files/files/tilalopimojezilobofajo.pdfIn PDF document text
- http://kechengchem.com/upload/files/21684201539.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d32e93248d---jopojusizitibisun.pdfIn PDF document text
- https://phongkhamtamthan.net/uploadeditor/files/dejuwi.pdfIn PDF document text
- https://gymlesgeants.com/upload/editor/file/dumowemuzusa.pdfIn PDF document text
- https://barrier.exma.cl/ckfinder/userfiles/files/gafewebekanatuj.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/bodereje.pdfIn PDF document text
- http://www.anaja-inter.org/public/file/lesude.pdfIn PDF document text
- http://gdfsztal.com/uploadfile/files/83446534256.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/vuvonox.pdfIn PDF document text
- http://savitaco.com/uploads/images/files/tasijomitojumubi.pdfIn PDF document text
- http://kibbkw.com/uploads/file/32461770117.pdfIn PDF document text
- http://solis.altrodesign.eu/ckfinder/userfiles/files/42764405269.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/89291527565.pdfIn PDF document text
- http://maydemtienvn.com/upload/files/pomoredevezumebewaxuk.pdfIn PDF document text
- http://pneusmarene.it/images/file/dologujej.pdfIn PDF document text
- http://gdfsztal.com/uploadfile/files/fizuwepapadepow.pdfIn PDF document text
- http://www.gobarging.com/uploads/textareas/file/topaxuwomadubofesagitoxil.pdfIn PDF document text
- https://nepaltrekkinginhimalaya.com/assets/userfiles/files/12530886046.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+see+how+many+times+someone+viewed+your+instagram+profilePDF 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_off0000d9e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E6 | 17276 bytes |
SHA-256: cf2fddd5944dedf968e45373a4cd06331f17d48536b57e5ebf00b7fc6b14c057 |
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font_01_sfnt_off00010688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10688 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E9F | 11304 bytes |
SHA-256: 935a53caeee93d08a62e2686b7b08f434c7e30a19bf639b7f05afe881c1e61e0 |
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