MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a malicious PDF detected by ClamAV and an ML classifier, containing embedded JavaScript. It also functions as a link farm, pointing to multiple distinct hosts, some of which are identified as compromised WordPress upload storage. The embedded JavaScript likely facilitates the redirection or further payload delivery, contributing to a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://mimpiindah1.com/contents//files/zovokoki.pdf In PDF document text
- http://esistore.lu/userfiles/file/45405729032.pdfIn PDF document text
- http://www.ondebiz.com/userfiles//file/wozosalumekaxazekid.pdfIn PDF document text
- https://samsungklimalar.com/upload/ckfinder/files/47080913640.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f60d9e5aa8e7cd1828d634a0f35c44c4/ditap.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/koferopovowadavu.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/avsf2db1ns3id4s745i9q4tdn6/96306582725.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/nuo1oshams897dc6m8io65dq4m/8916666175.pdfIn PDF document text
- https://imahima.xyz/js/ckfinder/userfiles/files/boxuwoturojobifubesatobeb.pdfIn PDF document text
- http://sevimticaret.net/userfiles/file/33797685971.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16074986e28245---zaxitufatafewigel.pdfIn PDF document text
- http://akinmedical.com/uploads/file/17319418418.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/76eob4vkm7pgcneqe1tk747gc1/11276435292.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-6-11/20210611101505268518.pdfIn PDF document text
- http://www.deewanalarab.com/up_imgs/dumifaperu.pdfIn PDF document text
- http://asesoriazabalburu.org/azaba/files/file/94526242867.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/cbepqgtbqmj5mpbftbtvsjoa7d/dutojulo.pdfIn PDF document text
- https://zagorjeadventureteam.hr/files/74323916115.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/a380322b0a5ff4813fc2d36b130da608/zexazufegazoro.pdfIn PDF document text
- http://gwhs79.com/clients/867100/File/83845210876.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e0de01d54e6---vekurarutesot.pdfIn PDF document text
- http://lejonhund.com/upload/16637092181.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/37106046506.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/nafika.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089888933f0a---baxekoju.pdfIn PDF document text
- http://xenangheli.vn/public/files/todesowuretuluzipugowik.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=fenix+6+user+manualPDF 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_off0000e5a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A9 | 10400 bytes |
SHA-256: 68c31e30666e91eb6cdb697ad3f3c385ddc7883ddbd331ded6060b4e87d9ed5e |
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font_01_sfnt_off0000fd2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD2D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001153f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1153F | 17888 bytes |
SHA-256: 1aaa895261a635abe828f103f16015e50b673c252ff487c27251eb3d4255988b |
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