MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://chauphongasia.com/wp-content/plugins/super-forms/uploads/php/files/m2s6avoshtj3ii5dlg381jo5qa/64458001634.pdf In PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946faecc84d---50433425753.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/46ce4ba7e9c5ea8069751cb79530b772/ropoxusokedevoxidezux.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/71b7829393365cadd3b71f75f9b87f87/54567506112.pdfIn PDF document text
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7108ef750---taxorijij.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/fc49c166b4bfd3a77bd758e59390e2d0/movixekotin.pdfIn PDF document text
- https://matrainagycsalados.hu/userfiles/file/24908258817.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/09ebe467adb1774daa98038c44d5088b/20751797676.pdfIn PDF document text
- https://carparts-fixture.com/file/file/xivumedobonapenefuwiwumog.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c53f72e7145---zukin.pdfIn PDF document text
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/jrpfjlcp491po5plu4mci3oo8o/82702466689.pdfIn PDF document text
- http://sakaryakasaplarodasi.org/userfiles/file/giwinigoderixuwoton.pdfIn PDF document text
- http://ruihuitax.com/files/file/86943495748.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/u64nlj6s1oqlkar06qtgrc8dth/4320962494.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/scostmqk9gmpjm9q490sorec5s/wejakumozuwudawugoruwunos.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/0cjeig7h3a0qlnfckdailasm66/56349037306.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=joining+up+ielts+listening+answersPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e4e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E1 | 5068 bytes |
SHA-256: 4e52cb7ae52900767e0820cea3b43e46045905bc62ec1096a24343795e88944b |
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font_01_sfnt_off0000f638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF638 | 1800 bytes |
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
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font_02_sfnt_off0000fec6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC6 | 11532 bytes |
SHA-256: 7ea7e8c7245e2ff274f5a7e6ba4315bf8d513edc6cd98505da318ffe8a61d8f9 |
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