MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress sites hosting PDF files. These links are likely used to distribute phishing content or further malware payloads.
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 http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/1t63pv9nanq33obam41q954324/nutojamatedililubig.pdf
- http://alphaconsultinggroup.us/vpw/images/file/86376074513.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb8f70a2d4---20200432243.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b83a31ddfdd---femukiko.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/3d0ceae3469e39f43a3f4f110b04cbad/livuvo.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/62dd822f4eae6aea18f97c027870148b/96449332361.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073624665429---60775898679.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/4f162c8641992180e94aa8265c0a716b/wonunaji.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c07a96a387---78282494740.pdf
- https://webmenuplus.com/images/file/kutodado.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/b88f167944a3a7511bb03025e7b99a88/63460507474.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac137394df4---65392689026.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee3d9610fe---vezusorowutogaku.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a28e082f5fd---7532161540.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/c4627eb0ea0ae53bba2fcabf7306d0e0/1488162843.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fe7160b39dc6808ae3be86f8593f43d6/vabagixo.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/b32ni53utip21obb0d4oefsmbi/12169304820.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/d09d3b136fef5b337146d6b07b615c67/jageval.pdf
- http://techbis.pl/files/file/pijexora.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da5cc71330---jedejaxiwikewurafiboju.pdf
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4ea13c28b---sidopekilesaxezirumi.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/6698a17c5e94ebef78b0f546778d84db/zezagapawedixotug.pdf
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/056j3igpd32n68besdrhn4ho5h/21023193120.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+uninstall+virtualbox+guest+additions
- 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_off0000ea91.bin22168f1c595dc3bd2506622ce778da7f01cec2253eb287c5464645c5e3cacbed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA91 | 10908 bytes |
font_01_sfnt_off000103c6.bincc330438440d495fd27901ded5d5fe93f248617d61b2c99a6035996d2c53c507 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C6 | 16476 bytes |
font_02_sfnt_off00012eb9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EB9 | 16792 bytes |
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