MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript and numerous URLs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160761ceebded8---31595329573.pdf In PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/2h99s42b6bjeajh44501te08g6/butigenutofavomezovob.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/4c0ec5ce90cd0ea3be47561589bfd40a/79256698919.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/84179056613.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a4ea73a179b---virekemofimi.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/rijatateteduta.pdfIn PDF document text
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/5934afde0360da3f0ab9ea7b73219ba8/jelikekojubijivalekefagi.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e73fa91e9---37038475689.pdfIn PDF document text
- http://mldinsaat.com/image/files/76513037469.pdfIn PDF document text
- https://www.alapan.org/fckimages/file/81413558151.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c65bb85a6ed---37697176590.pdfIn PDF document text
- https://yukkumpulgroup2.com/contents//files/kepolefilu.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/352a67cbab0ee1f5aabf4c6874f9912c/59074868079.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608599a045622---wesuzidegukodigabefuraruf.pdfIn PDF document text
- http://malagi.pl/user-files/fck/file/43175887614.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6a19961f1---lukumizasagexo.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/41jhfl9v17pmh4sml8le4eegc3/63662864969.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/52c296cb1cd7b3f54ab0b66b426534dd/tuxiri.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089e39354a3c---4204921310.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16087dffb138a5---vamiboxux.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/xuriluwimotiretetu.pdfIn PDF document text
- https://bleikss.com/userfiles/file/95811390902.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/31394907421.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607933b1d2ff2---65659574119.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=terraform+import+aws_vpc_peering_connectionPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF33 | 18592 bytes |
SHA-256: cee7911f30c6c144b2645fbfe98f1bc4c7f07696faadf4627450acca3334401a |
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font_01_sfnt_off0001208e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1208E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000138a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138A5 | 10924 bytes |
SHA-256: 62346cf73228a5f35f5491d62ad4686f89b1c6330d141180d7aa6bc35c9d457f |
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font_03_sfnt_off0001520f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1520F | 4208 bytes |
SHA-256: 4dc25543767c6ce94927cf4d02ff1313ebe7e7700cabfa012e1a84a0c4bc69ca |
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