MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs pointing to compromised CMS uploads and disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://synerhu.ru/uplcv?utm_term=descargar+bluestacks+para+windows+7+32+bits+1gb+ram PDF link annotation
- https://tresonance.org/uploadfiles/62878144526.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b38ecfe4a---18692058401.pdfIn PDF document text
- http://flirtproducties.nl/ckfinder/userfiles/files/69187941177.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/48be26e11aeb3cfc256b13afef6852c6/joboweka.pdfIn PDF document text
- http://waterlootour.com/FileData/ckfinder/files/20210608_F6C09FD04B3E2321.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/kibifigej.pdfIn PDF document text
- http://ristoranteyuri2.com/userfiles/file/todewadamujazitobojipa.pdfIn PDF document text
- https://dudikom.pl/userfiles/file/xowetokitem.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/47251077602.pdfIn PDF document text
- https://togeltop.net/contents//files/92334919948.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cb0a3a8cf---ninuvatexuka.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/lo2cb5krb55tr6ko5jfrdmi8ck/77917356184.pdfIn PDF document text
- https://daaeportrett.no/upload/file/83615928636.pdfIn PDF document text
- https://bamfieldrental.com/userfiles/file/bagiwaxo.pdfIn PDF document text
- http://balogmihaly.hu/UserFiles/file/difome.pdfIn PDF document text
- http://criollo-cocoa.com/userfiles/file/bagukubetoves.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608126d5a6e6a---bexozeniseduxini.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/81c8fb7ad59e7de2373037020fd3efcd/51795723501.pdfIn PDF document text
- http://fernandopelosini.it/userfiles/files/jekaxalexosixeketafepisar.pdfIn PDF document text
- https://e-fasteners.eu/media/file/dogijosodewazarowiji.pdfIn PDF document text
- https://chungangroup.com/uploads//files/202108091034389512.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_off0000d8f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f10b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10B | 17016 bytes |
SHA-256: ebcc65d28a3e75e8577709c1cf590f85741084fb5afd480704ea7e077be1a242 |
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font_02_sfnt_off00011d63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D63 | 11668 bytes |
SHA-256: fcb9208f34f37bdb92c1338ed43eb078f9ed0d6642ca858088ab4fee63745558 |
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