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. It contains numerous links pointing to compromised WordPress installations and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://crysiq.ru/uplcv?utm_term=5+examples+of+count+nouns
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac434072f62---71842567122.pdf
- https://an-professional.ru/img/files/file/19648317561.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/us7sl865pi0va6hkog64qn4qf2/pulexorogamowigul.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7530fa3c0c---fupuduzevizedowikogi.pdf
- http://sladkiy-ostrov.ru/userfiles/files/nasesapumakeguveviso.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/e784c75aea87ab7082f3aa0e13ec3620/xibufovupiwizobanex.pdf
- https://hissekurban.com/resimler/files/mamikuda.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160771e19ce998---funolobamatofirelurog.pdf
- http://babamoleskine.com/files/file/xelenafunemimalunoles.pdf
- http://10glazsikeyrosa.ru/file/62530479792.pdf
- http://jmdfhjl.com/fckeditor/userimages/file/suzipukido.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/rawuzezetujijakozavozu.pdf
- https://inverpalmas.com/aym_image/files/42652494988.pdf
- https://adepotcustom.com/UploadFiles/file/20210501183628158.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16089e52e426c3---65605273589.pdf
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/xipexijumisikizolipavurim.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/nb5pdbnphnknd0b0rtb1v60ju2/wovejide.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/1660fcb2f992f426d0c603c96a0517f2/dasumafegaxifejubijawas.pdf
- https://giovannicaputoboutique.com/file/86908396509.pdf
- http://www.aadhar-interior.com/userfiles/file/wepujuwulunavuwozi.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a517f53348f---75453138661.pdf
- https://uleiuri.ro/userfiles/file/rivagotopuwetirerew.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0813075399---todexufidokoxofix.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b467e14938d---zefigituroredixu.pdf
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e04b.bin9a6c7bf6bc2237ff05ef3e30b51a572031ba465238f5159dcd94c53bef6800a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE04B | 2096 bytes |
font_01_sfnt_off0000e9cf.bin0ab64918e43745ee7f42c2162ed1d297facdd9f0bd3a8f7e4bf61234510f9f71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CF | 20440 bytes |
font_02_sfnt_off00011af3.bin53201bf6a5c81f2331939d33c003229a68bc8ac81de5136d36f478e6e7a0871a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF3 | 10688 bytes |
font_03_sfnt_off00013390.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13390 | 16792 bytes |
font_04_sfnt_off00014ba1.bin8214b55e030c3cb37d727e4c02e4f9fe3cb7b8fc3885df20e34cb8ea79a6e3ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BA1 | 16172 bytes |
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