MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics indicate the PDF functions as a link farm, pointing to compromised CMS uploads and disposable hosting, likely to distribute further malicious content or phish for credentials. The embedded URLs, such as the one pointing to a compromised WordPress upload, are key indicators of this malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://lrsinc.co/userfiles/file/lukovutemovapujoxumivozeb.pdf In PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/fb7131b4115ed1afdae864d24827f6a0/rovixojulotomokenif.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/pozomolegojarifadusuma.pdfIn PDF document text
- https://pingthye.com/userfiles/files/fivililuxuw.pdfIn PDF document text
- http://jr.ac.th/ckfinder/userfiles/files/lewukoxedafamabegofozob.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/xubowigivubedis.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/12417026467.pdfIn PDF document text
- https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/43796888608.pdfIn PDF document text
- http://misterholidaysanprisco.it/userfiles/files/61778186472.pdfIn PDF document text
- http://avandcie-automation.fr/ckfinder/userfiles/files/gezigorutelazi.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/poguxuzanuvosuzagak.pdfIn PDF document text
- http://studiofantino.it/userfiles/files/ziraludowozudupadijad.pdfIn PDF document text
- https://traveletrust.com/basefile/traveletrustcom/files/97246431109.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135237b4978f---xilesobegudexufakakonog.pdfIn PDF document text
- https://www.vignolaweb.it/ckfinder/userfiles/files/60942691747.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/55402178891.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/55821565484.pdfIn PDF document text
- https://anmoul.com/userfiles/file/82959124738.pdfIn PDF document text
- https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/buripajozaguzov.pdfIn PDF document text
- https://tradingcall.in/ckfinder/userfiles/files/zilotesawunowogiwidopevad.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131abf1a7dde---45417371377.pdfIn PDF document text
- https://batikatravels.com/userfiles/file/kezobefox.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16140208f4a59e---35316616882.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=memories+bring+back+song+download+apkPDF 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_off0000e25f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE25F | 11068 bytes |
SHA-256: bbaf1f4bb78f524a5b8d98ab173db517675e5373c0e2186d6f36f433a9b839b0 |
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font_01_sfnt_off0000fbc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DA | 18736 bytes |
SHA-256: f85571ceaf5f268bb036719a71d304f28a44ad7d3c26c9d68e46d7d17f186a93 |
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