MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites, many of which are designed as link farms. The presence of a 'free download' lure in one of the URLs suggests a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://catamma.ru/uplcv?utm_term=free+download+ps4+emulator+for+android
- http://scamps.biz/userfiles/file/85370846284.pdf
- http://gocreate.termall.pl/upload/fck/file/kiriliti.pdf
- http://modellszerviz.hu/userfiles/file/31029159596.pdf
- http://safeabortionnepal.com/userfiles/file/zituwipidaf.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f2cb1203f---robepazedawezumalebixite.pdf
- http://infinivideo.hu/sites/infinivideo/files/fuwinarelim.pdf
- https://havanic.com/cache/fck_files/file/mepajevogutizuforevuwera.pdf
- http://ztkammer.at/uploads/file/92526208402.pdf
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/60664c723a929d7082f2715115c14cc1/75909375401.pdf
- https://tsydesign.com/userfiles/jws/files/5022826986.pdf
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tonule.pdf
- https://arnetbilgisayar.com/upload/ckfinder/files/69044901029.pdf
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/tomula.pdf
- http://polishingmarblefloor.it/userfiles/files/jisafuxifivatejefikadaz.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a33f87d400e---gidinepofexogolu.pdf
- http://lpkgoodframeupvc.com/userfiles/files/31126391012.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a28921e63c---fubizidibap.pdf
- https://viboot.com/ckfinder/userfiles/files/31312130764.pdf
- http://qianlong99.org/ckfinder/userfiles/files/musanesese.pdf
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607045dd2a615---zoditewilimik.pdf
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8996243e2---75413326986.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca5d79d24d---xovotafezefubinapujuno.pdf
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/96080546086.pdf
- http://huucodatlanh.com/userfiles/file/80756753694.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_off0000e06c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06C | 16792 bytes |
font_01_sfnt_off0000f87e.bin5123d48e42a83704f10be31ab8c92b9e51aa3a7c27232b407399042496c40a86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF87E | 19424 bytes |
font_02_sfnt_off00012964.bin53590cee5dc564804a47950a3e4643966c4cd73dc6564a3ca558bd7634854ef5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12964 | 10900 bytes |
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