MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file contains numerous embedded URLs pointing to compromised WordPress upload storage and other disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of these links and the PDF's structure strongly suggest an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967a3bd4868---vesipemi.pdf
- http://darec.sk/files/files/30644495065.pdf
- http://theonejsc.com/userfiles/file/narup.pdf
- http://activesolutionelectric.com/images/file/40723679269.pdf
- https://gamedunyasi.com/calisma2/files/uploads/24440469646.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/g1a3uee1kifqoic60mgrv740s2/detefoxunogaladoser.pdf
- http://klefmarken.se/upload/file/62425964498.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/baf0fa432b39cfc0a4d451e0743d780b/xakutivuwekenevenane.pdf
- https://arvikabc.com/images/uploadedimages/file/85572077919.pdf
- http://szsahsh.com/uploads/files/54526288820.pdf
- https://estoniapools.com/contents//files/vamuruvini.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/m24h234mqfps5tv1r0ugl94qg9/tolawinulatigazupidorej.pdf
- http://stinpo.com/ckfinder/userfiles/files/nogetupudulebixiragubi.pdf
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160749aa5223df---zitekeneginoru.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160bb5bee512e0---93267092380.pdf
- https://hkparkkonutlari.com/image/files/nubuxevix.pdf
- http://kolaykanal.com/userfiles/files/21262279010.pdf
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pesowulisajiwamu.pdf
- http://canvangdientu.com/images/file/2672361051.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd4a271220---rotefe.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090cfa34408d---62386309839.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160863f3edca4d---sijozolorupejuro.pdf
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/tk1gvdkdqie6au4m9l7c13b95a/vagudijixozumamuxud.pdf
- https://strategieb2b.com/userfiles/file/sivivefekimosagozar.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b1846ee8f---53353890915.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=availment+of+loan
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da1a.bin7324cf5222ce81f41eb814901529c0e1fa37ea9e058a622f14f8954195beef2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA1A | 16868 bytes |
font_01_sfnt_off00010638.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10638 | 16792 bytes |
font_02_sfnt_off00011e4f.bince331e850bf1259d59f7d59bf8c37aa91b61202f1eae3473388ca0640e648141 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E4F | 10152 bytes |
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