MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. While no scripts were explicitly extracted, the presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics points towards the document's primary function being to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 6
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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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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://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/c17e2eb70342c1fd04426c2271aa4238/dusofufusirigox.pdf
- https://faprosid.com/file/titenasuzore.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610dd6ccd575f---dibekumizopozeso.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609257f14da85---77277664376.pdf
- https://encoyun.com/calisma2/files/uploads/39417652488.pdf
- http://beachfirebrands.com/userfiles/file/namuzakowatokufafetiguxo.pdf
- https://xn--fiqa735be48e.com/upload/files/bojudapa.pdf
- http://eotp.info/sites/default/files/fck/file/21712326826.pdf
- https://prokoncept.hu/admin/blogfck/image/file/61161696997.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16100f9ef7c02e---33569584221.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160710324c2e76---37512539656.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/26fc6938e9674c4a731b3d6d4b54aabc/wufajejegadorubeki.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/ae094241e786fde791c156f04cdc27c4/37091802748.pdf
- https://trimix.bg/UserFiles/File/6025174658.pdf
- http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/60737869018.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd15fb58e07---jepujewofab.pdf
- http://cs-golfclub.com/ckupload/files/94953631200.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/68usv9169bji4mb8tlltq1dck7/47186868242.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad2611db82---mupegosiveseluxajobabuxo.pdf
- https://mimpiindah1.com/contents//files/24402843675.pdf
- https://agencement-menuiserie-var.fr/stockages/files/rogekenadakalatakipi.pdf
- https://motoquadro.de/userfiles/file/jalogirukodilutep.pdf
- http://igigeothermal.jp/userfiles/file/19239257110.pdf
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/72012d2b59d3cc6dc5aa30ce4ccb858e/rosiro.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607e16aad8777---12433181287.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=bmp+to+cur
- 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_off0000c5cf.bin4e1143d3c0fcd86a062329e4102b5f44502de5e43e4476b429aa5297ccc7b8e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5CF | 19048 bytes |
font_01_sfnt_off0000f7b0.bin9e53feb812123caee1e970ad307ef694a14f8a9658955a1865adf9ebeabe19c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B0 | 9984 bytes |
font_02_sfnt_off00010dd9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD9 | 16792 bytes |
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