MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple domains, some of which are hosted on compromised CMS upload storage, suggesting an attempt to distribute further malicious content. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a deliberate effort to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.8284
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://myflora888.com/ck_files/files/zumup.pdf
- https://1tlstar.com/storage/uploads/files/dilozofasulosevorexagemak.pdf
- http://captaincook.hu/userfiles/file/jumuloresi.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/1ca0b25b0d9c411b4d864227ced71b88/89106786267.pdf
- http://tienhasteel.com/app/webroot/upload/files/jerukusifudafu.pdf
- http://mrspk.com/ckfinder/userfiles/files/pazuvevadodezadudesasa.pdf
- https://4wheelchile.cl/admin/uploads/file/68784244409.pdf
- https://wodepcb.cn/uploadfiles/files/40643093832.pdf
- http://bckbytow.naszbip.pl/img/upload/files/rujigenevugomanobub.pdf
- http://camonetinternational.com/files/file/217858112.pdf
- http://yetisirkaucuk.com/firma/files/tikunusoripuzebu.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/263d27465e3878dfe34b631e27354cac/85990229581.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16131bf8153a1c---sogogu.pdf
- http://kleiberit.ru/files/file/tesumagosaneduk.pdf
- https://abzesolar.com/uploads/files/99508032270.pdf
- https://binarbaidfabrication.com/public_html/userfiles/file/vetev.pdf
- http://ccspatti.org/userfiles/file/pazebowotikuzulivikodotan.pdf
- https://www.ftha.org/admin/ckfinder/userfiles/files/1923553646.pdf
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/98727453002.pdf
- http://matsonconstruction.net/userfiles/file/jejaniketupu.pdf
- http://dexgerm.com/data/file/userfiles/files/vadejuzatig.pdf
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/gububisoritipikop.pdf
- http://goksirkrupskimlyn.pl/img/upload/files/24302755245.pdf
- http://crosswaysrecruitment.com/userfiles/file/fisafiv.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=acres+of+diamonds+story+pdf
- 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_off0000e0d5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D5 | 16792 bytes |
font_01_sfnt_off0000f8e7.bin5ccfb442a8e7f3e9e6ed32b043a46a9683b16d4d4c0ecf8b97764e957d62138f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E7 | 19056 bytes |
font_02_sfnt_off000129d3.binbe4d82e464fcd665b9d695d9a83e7e4ae6241d81de19223c60d89d5bb2cddb38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129D3 | 10828 bytes |
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