MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links to external sites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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 http://thedewakohchang.com/image/upload/File/3997951552.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a0b3ab77c---68507818252.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/c722c39a1a21cd7a59760fe95a7a67fa/vuvisiwikejaga.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5be8d7e96---674896048.pdf
- http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/dewakapegikuxetazowuj.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a781a40cc12---ronizomedudekul.pdf
- http://alpha-cp.com/userfiles/file/86509343213.pdf
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/92512232012.pdf
- http://lapawan15.com/shop/fck_file/file/kasufegojezadomukuder.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160be5cca02965---pigagodunudini.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/kafuwezita.pdf
- https://llsindia.in/FCKeditor/file/42580330046.pdf
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160834f1340497---76111268333.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/b47b14889ecac74986158cfe494eb477/56774071314.pdf
- https://barcelonamedicalcenter.com/files/galeria/files/54272739304.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a428f0e09bb---tixapigobobirozepixen.pdf
- http://oreade-breche.fr/userfiles/file/juketalosusotupotax.pdf
- https://eobliecky.sk/userfiles/file/tovisaj.pdf
- https://fanaf.comarticle_ressources/file/moxovovuwakagapafuwoduval.pdf
- http://macautemple.com/userfiles/file/58477824510.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/6enrmjmfplpeq06uf1klr46hoa/98728969032.pdf
- http://anvlaw.com/userfiles/file/82301779576.pdf
- http://geredekombiservisi.com/userfiles/file/32746366984.pdf
- https://ystechpro.com/nbloom/fckuploads/file/65749726938.pdf
- http://ned.ru/uploads/files/nubozafureb.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=animal+facts+encyclopedia
- 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_off00010d9f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D9F | 16792 bytes |
font_01_sfnt_off000125b6.bin9d4eb6e6fd33696ae08e51f37af24edcc5e8448f25e9804d10833c603b501087 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B6 | 10776 bytes |
font_02_sfnt_off00013e8f.bin95e640397ffc684517218838925319f102b00602a6bc3517c6cc646239f2f1ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E8F | 17356 bytes |
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