MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF that contains links to external resources, many of which are hosted on compromised WordPress sites. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document likely instructs the user to download a password-protected archive, a common tactic to bypass security scanners. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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 http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/h53r9h53e3l3qhh8723reco6o5/bowupe.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/aqb1kmt2asgk1dk1q0tck2s5he/1431865366.pdf
- http://coimbra.hu/uploads/ckfinder/userfiles/files/49695541239.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ibhajo7bsud3o1qbv6j229khb4/vebunalib.pdf
- http://bidwoodmachine.com/d/files/vaferelofizitagoladaj.pdf
- https://agrimal.pl/userfiles/file/22799489988.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160879b760eaf0---xasusoziletog.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ecdf7ed4f---zigakupetewudajipejodogo.pdf
- https://condicionamentofisico.com/arquivos/file/17739330109.pdf
- http://ttccid.com/userfiles/file/25032649205.pdf
- http://sosnovgeo.ru/userfiles/file/sowepaxekedesolut.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/1k01l6tjpl5fs044gkpum498s6/79202837098.pdf
- https://gwynharmon.com/home/gwyn/public_html/ckfinder/userfiles/files/44087210706.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b311e5454---30999460810.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/5f09de2dbe09adb160a2b4e8ac5b23e3/vixir.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/711250f354f3d962d145644433c790f7/54136896531.pdf
- http://kartywspomnien.pl/uploads/assets/file/pesiridonibizotur.pdf
- https://heatingboiler.ca/fck_upload/file/98773699850.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd7332f29c---48557232356.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/8285a1ae2e1e5aeda2c751fe83d37d21/kimid.pdf
- http://apsara.ru/userfiles/file/7397250908.pdf
- http://alnadaoil.com/userfiles/file/meworapobeduxukad.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=an+example+of+self+determination
- 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_off0002d26e.bin11266455498613fd1714a199078f58ab4a11264ad470fadddbe6db6749b70e9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2D26E | 17884 bytes |
font_01_sfnt_off0003002c.bin98f80687d23d4f8855f730517d5d128169a0629fef2d3cec017940e6c1c6a3d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3002C | 10740 bytes |
font_02_sfnt_off000318dc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x318DC | 16792 bytes |
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