MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm on disposable hosting, suggesting an attempt to obscure the final destination. The presence of these links and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://sausalito.com/wysiwygfiles/file/muvowetiwibevetategusuna.pdf In PDF document text
- http://staractivecollection.com/resimler/site/files/73349064613.pdfIn PDF document text
- https://ghnservizi.com/file/45799979025.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210910045645_udgo8z.pdfIn PDF document text
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/zadekorobojisusapudiw.pdfIn PDF document text
- http://abwingsde.com/uploads/files/kodos.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613df8d14fe9c---9575034017.pdfIn PDF document text
- http://castudio.eu/userfiles/files/15152435574.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/47471728629.pdfIn PDF document text
- https://akanaymatbaa.com/calisma2/files/uploads/36362398885.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/68357605868.pdfIn PDF document text
- http://burchiellati.com/file_fck/file/36966457606.pdfIn PDF document text
- http://aylabawadi.ae/userfiles/file/53317951048.pdfIn PDF document text
- http://brianhaymore.com/images/e/file/38141028682.pdfIn PDF document text
- http://prtourusa.com/FileData/ckfinder/files/20210912_44A5FBDD91638DC2.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336a5cbe4a2---tanevemoputipoluwu.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/moxebowitekira.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/67611435599.pdfIn PDF document text
- http://ride-on-earth.com/images/blog/file/fabamonukuzebejulim.pdfIn PDF document text
- https://www.fangjin.org/ckfinder/userfiles/files/laluwetajuruzalu.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d80ab0ad8f---givapowuw.pdfIn PDF document text
- https://probidjp.com/ckfinder/userfiles/files/20210904_222112.pdfIn PDF document text
- http://dichvuhangngay.vn/uploads/image/files/90362042420.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/48f03f77007b9eea52d2fc8be8c144a5/22092687881.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=best+mobile+in+15000+taka+in+bdPDF 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_off0000df8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF8C | 10904 bytes |
SHA-256: efd762e0e9dbe861d6b8b4094057e74416b850f55a71a70f93eab55cbfa1e990 |
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font_01_sfnt_off0000f8da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110EC | 19532 bytes |
SHA-256: 6ea8601bf509f01f916aa71fe8bf76ee76b16816bf16a50a102f34f597537ca5 |
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