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 embedded URLs that form a link farm, many pointing to compromised WordPress sites or disposable hosting, suggesting an attempt to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a non-clustered link farm on disposable hosting, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirms links to compromised CMS upload storage. The presence of embedded URLs and the nature of the link farm strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://crewmak.ru/uplcv?utm_term=amrit+maan+new+song+mp3+download
- http://mgtuae.com/uploads/file/daresetu.pdf
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/1a160726ae41716fdf81399df5a21fa2/zopowow.pdf
- http://euroear.eu/ckfinder/userfiles/files/gidexuwigeluvarudugat.pdf
- http://magic-mugs-factory.com/uploadfile/files/gevevinokilijupujarur.pdf
- http://worldwidestationeryholdings.com/files/file/95610758656.pdf
- https://maydangson.com/vietkiendo/upload/file/wugufunitoja.pdf
- https://ans5680.preneed91.com/upload/files/9380305754.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/srq4l47o256s7q7pcp5ktlg7je/86250044390.pdf
- http://creaorganization.com/depo/sayfaresim/file/13572295333.pdf
- http://bmcnx.com/userfiles/file/39197970855.pdf
- https://laatuwhuisweerstralen.nl/upload/file/xajemidesabinaponanemoti.pdf
- https://kheops-so.fr/ckfinder/userfiles/files/wosigitilapa.pdf
- http://jyotiacademicpress.org/uploads/file/88305392625.pdf
- https://dom4m.com/userfiles/files/67356310327.pdf
- http://www.lbtfilm.com/uploads/files/rugafebajeju.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345d526a08d---45978905854.pdf
- https://funbugs.ie/userfiles/file/58938551858.pdf
- http://ps-chiptuning.hu/userfiles/files/loxatodimugafidiwagujo.pdf
- http://thainightjob.com/ckfinder/userfiles/files/bemanemisixibixafivo.pdf
- http://ggmtc.net/userfiles/files/nesabuxuwivez.pdf
- http://hbaoge.com/upload/files/mereliza.pdf
- http://olsztyntransportmedyczny.pl/userfiles/file/tobeju.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9d2505045---17699473316.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b6c5.binabe0077d42f75aec3d83c168761d0309ef1af8e3943ecebe4910a515196c547c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6C5 | 16660 bytes |
font_01_sfnt_off0000e1a1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A1 | 16792 bytes |
font_02_sfnt_off0000f9b8.bin397c6ec0f556d9a0ce0dabf25091e594e7e6d0a81bc4831ec5c371c898f6dffb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B8 | 10976 bytes |
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