MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://huntic.ru/uplcv?utm_term=diamond+platnumz+kachiri+mp3+download PDF link annotation
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/81b1d642569e4f20ec531438c14c8a27/61052846117.pdfIn PDF document text
- http://coopmong.com/ckupload/files/50118173210.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/2caadf535e6a51346415a1c7355342d0/68131334895.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bcf9a392b---12661920890.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b372fed7814---norix.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608101c30677f---38313035457.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/35fa1330256ac3ae8af77ca1507ad217/26347449068.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983230a5dab---kusofibigazugazinibi.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/defusigetonoz.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/1e006c8c23f33a00c3351ceac74e372b/loxewudijan.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/1d02d7af6a8f152c2e80566a2337db45/33824534598.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160837d891db8e---12482296534.pdfIn PDF document text
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/02fd10e17b82587ff1bbe14c97393cfc/damapowelivijatan.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/ec5c118bda873287129f0ee2a741c1ce/37755598071.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e720678a8---58625973731.pdfIn PDF document text
- http://canionglobal.com/FCKeditor/file/11473094093.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000ccff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCFF | 5504 bytes |
SHA-256: aa84a960a5c6efd9813dc3427143921e9e2d44fd3105d6d9e51c15a34476990c |
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font_01_sfnt_off0000dfb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB1 | 11108 bytes |
SHA-256: b149f3cc0fe12a558998ef738e7f713eae6eebf6a0dd51dcaa05d6b0c7e769c6 |
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