MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as a phishing trojan by ClamAV and flagged by an ML classifier. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, likely to redirect users to malicious content. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an attempt at SEO manipulation for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/68afab9322d071de3e55f03c22f71374/44025394858.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/0b8e52591aaf17f13def6ddc5329bdc7/43779943503.pdf
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/m4rtn0nsv2oa619i4u4b9u6u9h/jifaf.pdf
- http://3xlove.com/uploadfile/file/58999031574.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/1501790dda659b9edaf987f4de15ba50/bonazumesibunajudux.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16075dea4db1c1---dujajotixawidisesirid.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/0b38936a61cfb9807b196838829bd4e5/kesiligezazilej.pdf
- http://muacuoi.vn/Pictures/files/wudixozezaxesuwad.pdf
- https://poolpoint.be/uploads/file/tagikoledigureve.pdf
- http://tubietelbar.hu/uploadfile/fasuxutufevek.pdf
- http://radissonhoteltraining.com/userfiles/file/xunolerogif.pdf
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/972e886fcbe71f79a23b7787041c2d40/27404836567.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609b68d562428---60867976192.pdf
- http://ultraljud.nu/bild/files/tosetiduxaxapovojugowi.pdf
- http://absolutelyneon.com/userfiles/file/pokopokituvap.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b62076d9101---rusodisunorijus.pdf
- http://yournamebadges.com/withyourdog/cms_uploads/file/2228126686.pdf
- http://ssujaxchapter.com/clients/83257/File/62851699797.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fbf9beae7---69167159603.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609e90e218480---busipidijagovo.pdf
- http://alexlunacoach.com/img/editor/file/33687775170.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/db20f6414cdb5d444ca88bd283f732b0/tasafepi.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/24a057ab22a2386f91bbe966e40c1184/xivonafufarazizosiwamad.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=3rd+force+3rd+force
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8EF | 16792 bytes |
font_01_sfnt_off00010101.bincd9b116bf23aec5de524ad38c616e4f92197b7041e1ed86d5e124967b4d60450 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10101 | 20664 bytes |
font_02_sfnt_off000133ff.bin288a374fc37f5d6a25bb072c44c20829d9cf7805ef9d479128da996460af5b54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133FF | 9872 bytes |
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