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-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://nomylo.ru/uplcv?utm_term=devadas+2018+movie+download+tamilrockers PDF link annotation
- https://al-farh-iq.com/upload/userfiles/file/guvedewiluxobaz.pdfIn PDF document text
- http://mopron.ru/upload/files/mudawibalizabejorurakota.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4dcfb7a20---29012951246.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/r08850gau9jn4mvrdpnt4509n6/50376446827.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/63562168518.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aa60234ea0a---pasatojaw.pdfIn PDF document text
- https://living-stone.lu/userfiles/files/dikigowuzogojinok.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f643b10d1---ledifexavub.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/fpa8u51s2nhqbfjm1f83k6h2c4/gavumuwepogobor.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/598ef6f4a33acb4c568db2018b818d4e/51082012736.pdfIn PDF document text
- http://cukierniabrzezinski.pl/www/artizam/fck/file/74296620623.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/88556741560.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/b364e6f50cf2011373d8e8ed9ee48528/warozomi.pdfIn PDF document text
- https://dhesient.com/media/gitesimeraxi.pdfIn PDF document text
- http://arci-mp.fr/admin/File/16261060565.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/15411981116.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10463 | 5608 bytes |
SHA-256: a74664ba5ba6cff585d11c75a83c47e60603abbb57c3d1860fb82ff7dba6bc37 |
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font_01_sfnt_off00011780.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11780 | 11288 bytes |
SHA-256: d195133956a49b58b7edb45647c48b98ceb99e8af961a79322d8eaa156a9deba |
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font_02_sfnt_off00013da9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DA9 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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