MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://catamma.ru/uplcv?utm_term=android+10+move+apps+to+sd+card PDF link annotation
- http://halanmilk.com/upload/files/5108742367.pdfIn PDF document text
- http://bwlpsalisbury.com/uploads/files/degiwuxuloj.pdfIn PDF document text
- http://www.radanhorse.com/resource/files/25963228239.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/r7jrt4ggrqislp376jfji8pcfo/watapifapaziba.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/perokefawivozofugifut.pdfIn PDF document text
- https://iieng.org/editor/ckfinder/userfiles/files/pobelogisipepukoj.pdfIn PDF document text
- https://goacetours.com/ckfinder/userfiles/files/78202967040.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161303fcb94815---wadonewutip.pdfIn PDF document text
- https://clinicscrm.com/img/files/banobex.pdfIn PDF document text
- http://czechnews.cz/userfiles/files/99119745665.pdfIn PDF document text
- https://all-new-wow.com/upload/files/fazitetipe.pdfIn PDF document text
- https://aqua2go.pl/galeria/file/13122332346.pdfIn PDF document text
- http://manpukuorder.com/uploads/files/40784796208.pdfIn PDF document text
- http://poptheme.cn/uploadfile/files/20210907_062144.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efd014f38c---75617716658.pdfIn PDF document text
- http://celyroknaterase.sk/editor_uploads/system/files/91028638771.pdfIn PDF document text
- https://chambres-hotes-aube-bleue.fr/userfiles/file/22824210110.pdfIn PDF document text
- http://aal.tw/uploads/htmlupload/files/48874603942.pdfIn PDF document text
- http://generaltubi.com/container/ckfiles/files/xajubodeze.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/vloc37638431dpuju7h7m30pk7/segapata.pdfIn PDF document text
- http://etenindex.nl/images/uploads/rurixudotevovemaze.pdfIn PDF document text
- 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_off0000e711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE711 | 17864 bytes |
SHA-256: d997f68d709b3dd818b6188e80f34f87be913e25698cdb49ee38f73333226ee3 |
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font_01_sfnt_off000114fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D11 | 10852 bytes |
SHA-256: a59d38571cfe187e21bda66153fba432448d168a21582bf0d2f0efda52cb76da |
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