MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to distribute malicious content or phish for information. The presence of a download button lure further supports a deceptive user interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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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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://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b1440815506---50635610041.pdf In PDF document text
- https://drisraadentalcenter.com/userfiles/file/sonexaterujodib.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c117b1ca65e---xezagikogedesezopes.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/e948939e008e1e6b59fbf0c648123ba6/75355247877.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/1mf519qdkdqforvu6ut1q0pc7a/89089557599.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/49981251429.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/1f1f2eb96411040de34bd3b62f9388b8/91907301860.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/55f619894e21db07f307818215813492/43337425787.pdfIn PDF document text
- http://cuadepthanglong.com/images/ckeditor/files/94582873419.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6b4c15f96---samudonidubekusitamimata.pdfIn PDF document text
- http://sxnqx.org/upload/file/Fl202107250141569962.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717a5fcd85f---2711868213.pdfIn PDF document text
- http://africa-emergence2019.com/userfiles/file/64861365917.pdfIn PDF document text
- https://emmaushuis.org/pages/78225561098.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16092881d648b6---pejifazu.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f2ec4b517---3458128168.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160718ba188ca2---37898925008.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/70207375257.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/ci630ie6vs0rebv0cba8des4d3/60244795350.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe273f34b69---37646339179.pdfIn PDF document text
- http://cablexconsulting.com/Upload/file/befadokegisadupot.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/44936170384.pdfIn PDF document text
- http://burmeseburmilla-allevamento.com/userfiles/files/kabojulezavukopefu.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/08c7ff63a233afdb092d51af0024111e/witalegenepamubux.pdfIn PDF document text
- http://fitnessklub-impuls.pl/uploads/assets/file/82377591346.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=pokemon+go+coin+generator+no+verification+2019PDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE25 | 11088 bytes |
SHA-256: 49b78ded6561cc6ee257bdf2d3d48cec25babb77917cb8ca3769a6f4e96be80e |
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font_01_sfnt_off0001082a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1082A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001203c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1203C | 18264 bytes |
SHA-256: 83db434ddb0bd0d61b8fd877792f2d0dab86c13b93878935ec5c357fc7320172 |
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