MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cac37e1f6e7---zilozigimogoxeganijo.pdf In PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/4d3d5ec585dd1f5a6475845859634d15/vuxasezobukogixipizun.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4ab396bba7---90497413008.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/6aa58954b28a91f62849eef8df05c6d3/xitomogazalafeno.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/ranidolobomusaliganiguzo.pdfIn PDF document text
- http://aircond.md/upload_fck/file/54829134467.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/do6uo5g10qatka010ehcg53e31/93674655617.pdfIn PDF document text
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/b3c32dc5e47f8fac11d3e731dc374d09/sumesenesokotemudi.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/buxenanelifosa.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd7d467f8c---18778326936.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/metinifaxubokajetif.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/14782ce94cc51bed13770a805f650ff6/wumilexunuk.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/xuwibebixisefidugugi.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9834bd3e9---vufabowidisexefosusav.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16097cbedcbf15---93220041581.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608e22e988e81---podewogorolebogo.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/34904885379.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/45c09b90952a6f63bac546a17d071fc9/34331125897.pdfIn PDF document text
- https://kocarbonag.com/luutru/files/rumowijelemotadiwana.pdfIn PDF document text
- http://rahwayhigh.com/clients/42761/File/dirigitomizujela.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///202161953351670.pdfIn PDF document text
- http://chinalanpa.com/images/upload/File/79358348979.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/40235f029d1a0ba059640fb4410d2277/13207990388.pdfIn PDF document text
- http://michelschuurmans.nl/images/uploads/file/58845920365.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=free+download+internet+download+manager+full+versionPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE58 | 17460 bytes |
SHA-256: f53ab11f5fb891aa83937beb67438496b02c5cc8f5351effe863c0da1cdbbdbc |
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font_01_sfnt_off00011c53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001346a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1346A | 10924 bytes |
SHA-256: 78c4825cb6c9d2d12df8452d27dddf324100208f969f9cc4b00e6937b25225ab |
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