MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs that point to compromised websites and disposable hosting, characteristic of a link farm designed to redirect users to malicious content. The presence of 'utm_term' in one URL suggests an attempt at SEO poisoning or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://allytemp.ru/uplcv?utm_term=android+emulator+mac+google+play PDF link annotation
- http://www.accl-calibration.com/login/ckfinder/userfiles/files/jififidanijalefiveso.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/1c102ccf30858fb10b1dacd9a39d4b94/lilijuvovafesifigutolago.pdfIn PDF document text
- http://arcadia-fitness.es/userfiles/file/ruvunogojefesavaf.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/45520127871.pdfIn PDF document text
- http://mateuszkucharski.pl/admin/file/romuwi.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/dogovutabi.pdfIn PDF document text
- http://xn--82ca1bkibi6eufn5bh1b7i3e.com/UserFiles/File/vesirumufepuvifasafidik.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/45784099396.pdfIn PDF document text
- http://fsf-vastroad.com/userfiles/file/26877525396.pdfIn PDF document text
- http://twgo8.com/uploads/base/files/202109080753245658.pdfIn PDF document text
- https://drbumbnursinghome.in/ckfinder/userfiles/files/65874706971.pdfIn PDF document text
- https://99shayari.in/userfiles/files/11026483584.pdfIn PDF document text
- http://union.travel/ckfinder/userfiles/files/ripovimo.pdfIn PDF document text
- http://vrieshorst.nl/images/uploads/file/bamel.pdfIn PDF document text
- http://divorcefinance.nl/uploads/file/lumajegotafevatubirixe.pdfIn PDF document text
- http://studiozammuner.eu/userfiles/files/lasinesaxegivobab.pdfIn PDF document text
- http://ttfi.org/app/webroot/userfiles/file/32999180432.pdfIn PDF document text
- http://kqcme.yiaiwang.com.cn/upload/files/boremu.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9e0d26ee7---sikuboluropa.pdfIn PDF document text
- http://cke.hk/userfiles/turubigutasuruna.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210911_5D0BCDD432E35DC9.pdfIn PDF document text
- http://stonebreaker.at/10166495630.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/22058187091.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/gilawoduxuwumofetam.pdfIn PDF document text
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/savabodozovametinijun.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161364c02b3473---pemara.pdfIn PDF document text
- 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_off0000e5ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fde5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE5 | 10884 bytes |
SHA-256: 94e0a2d4900cb0c613df594de6dc17a19da3374ffd70e2529046ba253b9086fc |
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font_02_sfnt_off000116dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116DD | 17180 bytes |
SHA-256: 351422a832ae09aa1623586606ebb46af2f3c37ef10d41f6a443119a1884b7ca |
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