MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users. The presence of a link farm pointing to compromised WordPress upload storage suggests an attempt to host malicious content or facilitate phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.7733
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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 http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161319fdac27ec---62176883039.pdf In PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/35cf47eb2b4c84ca5c2706bb248b4e23/57245972054.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3b1e325ec---79325191227.pdfIn PDF document text
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/90707518099.pdfIn PDF document text
- http://www.siposferenc.hu/html/96224716153.pdfIn PDF document text
- https://itracmediav5.com/ckfinder/userfiles/files/ketafasojumip.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/wizeboni.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b06f0b3f9c---wifofewoxugipo.pdfIn PDF document text
- http://fukaofoods.tw/uploads/files/202109040158217532.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/28801b92fb127c3c26160391b58cbb5f/welezisogaduj.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/lanamon.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/35954031188.pdfIn PDF document text
- http://ryanoomen.nl/uploadimages/files/dosukarefizufuder.pdfIn PDF document text
- https://franchisebusinessadvisors.franchisebrokerwebsites.com/broker-site/files/files/30655368860.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/2f3fd77ee11ce696ecf2331f06ecfb92/gigimujopuwuk.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/c34ea7a39f6b38ec57610df9a3982488/12845157325.pdfIn PDF document text
- http://cardealer-space.com/js/upload/files/roperozuvuti.pdfIn PDF document text
- https://pgp-puh.hr/fck_media/file/firamunozaxesivumobenop.pdfIn PDF document text
- http://surveycook.com/upload/tmp/202109/file/senofiv.pdfIn PDF document text
- http://balone.net/_upload/file///71594021369.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/23029814283.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20210904192241.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=mugen+tournament+apkPDF link annotation
- http://irodori.kir.jp/files/file/bafukupepirolejud.pdfIn 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_off0000d55b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD55B | 10476 bytes |
SHA-256: 7de23e7e1ac800dfe637f0a9b2bb58f9b9456166afa8211fce9290aeb245fe93 |
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font_01_sfnt_off0000ed2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED2C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001053e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1053E | 18328 bytes |
SHA-256: 20da659a2fc04593e480461da4cc7e90fd6ea3f17faa5f65db28d35fa468709d |
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