MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress upload directories and disposable hosting, suggesting it functions as a link farm to redirect users to malicious sites. The PDF's structure and embedded links point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://huntic.ru/uplcv?utm_term=the+spectacular+now+123
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160803010cc47a---lavodumepokinavebabo.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090fe4e2b100---35943459773.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4f4502a3edd44015ca526765bdd06fd3/pasukisejepupevoledol.pdf
- http://hoaisonland.vn/upload/files/44409318839.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/753f1dda2757265c9217217ddc02fe41/17411059570.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085106463714---37199947963.pdf
- https://miaousland.fr/ckfinder/userfiles/files/kutumawamamonigemifome.pdf
- http://i-daa-wl.de/userfiles/90261687975.pdf
- https://dagvandearchitectuur.be/_files/file/dojitanex.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4b7df221ff---zodojomasaxekinegolile.pdf
- http://aceonlinementors.com/userfiles/file/jimugezasarixudukuxul.pdf
- http://arcomproltd.com/userfiles/file/wifetetiradika.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c10014b36---wopokopozifimarumukiteke.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/185e318ffd55d28e61cabe0e3d92d22e/rezuxepeweze.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/6phujrccpvu29iho9vbg6lvm1g/65641214029.pdf
- http://waterreducer.cn/d/files/kuwulebege.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0fa698d24---2337341322.pdf
- http://angarakshaksecurity.com/userfiles/file/vegixobuloguverafogema.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/8bsm9grj3befv97iqtbt4447n5/jawipuxuwu.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160bde15532034---wogonipomedetobe.pdf
- http://holzbau-napetschnig.at/9304542675.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/b579a3f4ec2872ceece3485d45f7cfe6/wuletolude.pdf
- 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_off0000b75a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB75A | 16792 bytes |
font_01_sfnt_off0000cf71.bina9621655e11141fc74380739ef5b39b10b6c0e4b4aa58240e31c83d9817db70f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF71 | 10872 bytes |
font_02_sfnt_off0000e8c4.bin8aa61f4d04b62ccf3aab575e48ba3376e405061041bb698dc07231ab2261163b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C4 | 25056 bytes |
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