MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to compromised WordPress sites, suggesting an attempt to host and distribute further malicious content. The presence of a 'download button' heuristic further supports a social engineering lure to trick users into downloading malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://krisoc.ru/uplcv?utm_term=trance+movie+download+480p PDF link annotation
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607533c6c47dc---19662888505.pdfIn PDF document text
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e3b445cc7e---mokegesumifa.pdfIn PDF document text
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/afabf626d162966d4c0bc4507d71fe6f/1195837934.pdfIn PDF document text
- http://focostrade.com/files/20210612090142.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608292bb2295b---mufaji.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/ks53fbpuf4c29ga34nlcn4h60m/15760171631.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/zawuno.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606e09e1437b3---rowafiri.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/16078799874.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/b7ri16il65aelaevj2c6qpif9q/nenuwivabowimejegiboxa.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/f58c1085fd8c2c9c6df510c9eaefbf99/dafudonulixigojivekoda.pdfIn PDF document text
- http://sattosushi.com/uploads/files/27428458204.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/04e07152e75e35fcf4a92983aed3b0d5/duxeduxirapa.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/mewakolafolesuxavipo.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/dbb0uqrtpqkp8lrulb37e9ueo3/seduzifixebogim.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/1b466ac8e1f551cb01fa265ea73416ac/retomunuzonuki.pdfIn PDF document text
- http://alemotta.com/resources/original/file/48775713800.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF186 | 5568 bytes |
SHA-256: 21fd83673c178f84cfdb95d3064fa6899e20e902074bfc44d830a585a6f9cbcd |
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font_01_sfnt_off00010472.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10472 | 10948 bytes |
SHA-256: 72c5d530dc466f34e12506f7472e3d56ef77fd13cc0a08ba83a71f376a7dee30 |
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