MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious payloads or redirecting users to phishing sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of numerous unknown URLs suggest a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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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://taxiporec.top/wp-content/plugins/super-forms/uploads/php/files/s0aff3gnkno3tknlo78omb0dtn/vobowuwupevi.pdf In PDF document text
- https://sentinels.ro/userfiles/file/kewiw.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a155487c204---karekomovar.pdfIn PDF document text
- http://songhandiban.com/uploadfile/file/2021061905435773499.pdfIn PDF document text
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/ig9flfafff9up0kjp0a6adp0t1/20963038784.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/5356fc37de12058fa162d9f9da3d3d0d/53631594545.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/01l7umneefetth9pdn7rsk09km/7938051222.pdfIn PDF document text
- https://classykitchen.pl/web/uploads/files/tokikifiw.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/693a585f1202b755b461aea742b2a892/ladaxanonazexibumij.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/5b0bccd3c4d03417749c55506eef27c0/4840980574.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/rifogukovimozad.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/lu06lvvqd5f4d4hk1q9gff2k8a/1313368856.pdfIn PDF document text
- https://birgatour.mn/js/ckfinder/userfiles/files/guzujusiziso.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/0c0898ac3b3fa7f8f2d01fac5694376e/17374549273.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/lenufepegipupowobod.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/c76u321dqb866f1m60pqu7f1fk/fejekunituxovuzud.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b06505e2d5---5118481069.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/bbff6e3a68ae8f6be4a5df341274eba7/75683744833.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac163ddd535---xunopikezekiwa.pdfIn PDF document text
- http://scheiden-maassluis.nl/uploads//file/37988457088.pdfIn PDF document text
- http://analogsys.com/uploaded/file/15232686306089faa7d4686.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd15137a6e5---dabukefosufolajomemupu.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16095024053b81---10844226350.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/23180410876.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/newugepelajusu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=windows+10+iso+file+download+32+bit+2020PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#Referenced by PDF JavaScript
- http://purl.org/dc/elements/1.1/Referenced by PDF JavaScript
- http://ns.adobe.com/pdf/1.3/Referenced by PDF JavaScript
- http://ns.adobe.com/xap/1.0/Referenced by PDF JavaScript
- http://ns.adobe.com/xap/1.0/mm/Referenced by PDF JavaScript
- http://ns.adobe.com/xap/1.0/rights/Referenced by PDF JavaScript
- 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_off0000ee59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE59 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001066b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066B | 16976 bytes |
SHA-256: 46477037eb5029e876097b8537aa282126185e7efc07c0a12f56ee8cf5af8ba1 |
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font_02_sfnt_off000132e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132E4 | 10932 bytes |
SHA-256: f8e6b3f68442c94dda4d5d5b39767452becb1f9d27dbb185634f2b041db6b8f6 |
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