MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm with numerous URLs pointing to other PDF files hosted on compromised WordPress sites. This pattern is indicative of a phishing or malware distribution campaign, where the initial PDF serves as a lure to redirect users to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/0d9727d5410225bf9269aee6b7d2cf9e/22077545741.pdf In PDF document text
- http://staceyasp.com/UserFiles/file/wipagomarutokevoxaje.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b1ec557857af36eff8121ddf5cf1fafc/89541990501.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8ef914f95---44510641486.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/aebc3e970713c61c021575ed703514af/lafiri.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/f79ce0b21e2cfa8daad5579538aec1be/9119747295.pdfIn PDF document text
- http://0-50.ru/userfiles/file/84232931159.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/e9817fc09e40ba3ed1665b25413b2ab1/jaredevajogiponikepotifa.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/dakatalozopodikezerej.pdfIn PDF document text
- https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/q0a0e7jr039cvdiqjfe1s5mv5s/98057875854.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607610eb002c8---44136093096.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160abf4e62eeff---21235007639.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/vunarola.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/18672121386.pdfIn PDF document text
- https://discoverthesky.it/file/62199066652.pdfIn PDF document text
- https://pablohernandes.com/wp-content/plugins/super-forms/uploads/php/files/db28e6e2ee97239b170fe763f9c44bbb/48470807939.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/77632357070.pdfIn PDF document text
- http://nanumed.ro/uploads/files/68133526923.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16076c0060a15d---88825866526.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16073db5fc4f3f---21258733950.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/cc9sjp0bhsmi5ciu4u1ogmfrns/tajob.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/13cc3cedc50b09e62d18ee405f34e48e/33885685301.pdfIn PDF document text
- http://qiuyutv.com/userfiles/files/20210708050916.pdfIn PDF document text
- http://mdc.ir/ckfinder/userfiles/files/suziwarisu.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/88344326158.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+get+your+music+on+imoviePDF 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_off0000e808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE808 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001001f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001F | 10720 bytes |
SHA-256: 3cabe427791d9f9bb6444ddd8f0a6382a0f18e82faafd8fdf04c6ebafe4730ac |
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font_02_sfnt_off000118cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118CC | 16500 bytes |
SHA-256: 5760f77c9f564c9801edc1b330e245bc7e40f32a259a2ca5e790d89858c6106c |
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