MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to compromised WordPress installations and other disposable hosting. These links likely serve as a link farm to distribute further malicious content or lead users to phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent, consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b4c7bd927---vanusododulaka.pdf
- http://jagodkaprzedszkole.pl/userfiles/file/54047677984.pdf
- http://pantipplaza.com/userfiles/file/81159872457.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/51aac4a21c5554e1937fc14e387ce2fb/13998567219.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2b452edbd---12335284577.pdf
- http://gfb.it/upload/fck/file/25576979016.pdf
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/f3btcob9j349od21ef113uguv7/91153800479.pdf
- http://westleyden72reunion.com/clients/4/46/469dc9162705cbff2d1fbe132f144f37/File/2637601596.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a90f07c185f---lixinemodu.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/4a9252004a3c45cedfb03a4d99ebbf0d/98520241015.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/noq8q0a5er2d08h1vj23o3k0l8/luzubilofujosefowemu.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/c6f82480d1dc8ce43e877ee705b0110d/xixaxapamapuno.pdf
- https://relans-nn.ru/images/docs/file/lisutezeleponotivo.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/r88o44kv1cu77f1odg1b3rcisi/51153100152.pdf
- https://vestol.bg/files/file/nofuzenezuvofibibonokav.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/a925fcad850d63e02c76ed5be105413a/41983396778.pdf
- http://aotwresort.info/ckfinder/userfiles/files/wulunovufiseximumono.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160b32c5f6353a---70978467886.pdf
- https://menlopark.com/wysiwygfiles/file/dikotimitipelalemufomax.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/d12e61b4e6763969c63893a56b9ceba0/pekilefefaboxezobak.pdf
- https://marosme.ro/hirek/file/japonoz.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/eb58e68bd10004090c581a4006cc0c12/tejanevomosaduvukobosud.pdf
- http://yejida.com/userfiles/file/zumibez.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160838f168942e---71698745202.pdf
- http://halaljones.com/uploads/files/80299549273.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/a0f22f28a5ed138fd473e9586b9162d6/kameravuwu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=countables+and+uncountables+examples
- 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_off00010659.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10659 | 16792 bytes |
font_01_sfnt_off00011e70.bin0e85407e6de99ba842bb1c3a273951297b1fb85fdab49a08399f1f4ebc0e8b6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E70 | 10856 bytes |
font_02_sfnt_off0001375f.bincebb59981e55a8d70b1e217716d1ed76b37e6f70e17c2821044d66a954116be0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1375F | 17344 bytes |
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