MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The heuristics reveal a link farm hosted on compromised websites, likely intended to trick users into downloading a malicious second-stage file. The presence of a 'download button' lure further supports a phishing or social engineering attack vector.
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 https://garglob.ru/uplcv?utm_term=how+to+cut+one+page+in+pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841bca0eb8e---tetusilevevunotolovogifu.pdf
- http://dulichgiahy.com/upload/file/muxofosebekekajinajiduvu.pdf
- http://www.cafeinca.com/img/public/contenido/file/2784326005.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8d42600e1---18584260866.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085645d4a6cb---29982112352.pdf
- https://monocroma.it/wp-content/plugins/super-forms/uploads/php/files/3fa3cdfab143d55358c94a8a12440507/58983672538.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16080c30b4dac6---butazupilowes.pdf
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/26417d26370cbc4d0079dd98d6e982fc/pavanaberedosone.pdf
- http://aeronautike.com/userfiles/file/lojeludutu.pdf
- http://ed-web.cz/userfilesfile/28953324177.pdf
- http://dunajecbiala.pl/upload/File/87923118557.pdf
- https://dprkoreatour.com/uploads/files/pozorax.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/1pboouddga3bhf8md6k2muocib/11965275682.pdf
- https://xo-sound.ru/userfiles/file/mirodadiku.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca21eb0c01---vemosefisigoladanizena.pdf
- http://amoy-art.com/Upload/file/62072910002.pdf
- http://starwindows.ie/ckfinder/userfiles/files/pedegidebijefamujavo.pdf
- http://driver-jazda.pl/upload/file/41795318056.pdf
- http://travelshops.pl/userfiles/file/jetevesujemawubudurime.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba3d2bd0d0---zevojakegibag.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa8b92246b---tetazobod.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607763eb0d61e---sizovisilijiwoxodaj.pdf
- http://fmafirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80994281230.pdf
- http://penzionklara.cz/userfiles/file/vedapawadek.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_off0000f1c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C1 | 16792 bytes |
font_01_sfnt_off000109d3.bin16a3d79ec6c514d302a8cb200e5203124aa84cb57c15f9f8dec10c37666ca298 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D3 | 18520 bytes |
font_02_sfnt_off00013a5b.bindb396d05074a58578da6c3f1fa8f42308cc5cf498e32620a31511df180b9e207 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A5B | 10660 bytes |
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