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 0.9996
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://pixomot.ru/uplcv?utm_term=alan+walker+faded+mp3 PDF link annotation
- http://blissworldbeauty.com/newerac2c/userfiles/file/21207451233.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/68978591888.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/civ82j8ts4s5ujfsqofjvkhekd/62292896556.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782746b42e8---watobabidojetu.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/dorubotudutotaz.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a737260004c---wedipimibifapav.pdfIn PDF document text
- https://flardochform.se/userfiles/file/44817691222.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/nenaj.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077b32619b05---pemunadulisik.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/14035233550.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d54909481246e5b45351286a82532ec3/lamadoxurozu.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/kojibagom.pdfIn PDF document text
- https://bocion.com/ckfinder/userfiles/files/64646507939.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/25070143100.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/sonimavarapupotimomimox.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d90b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90B | 6536 bytes |
SHA-256: c10938f23b3148a2b10b883b1b54d5872a143c900d879c806034b260b32aa5f2 |
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font_01_sfnt_off0000e935.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE935 | 5320 bytes |
SHA-256: 9bd0188791e2b8219b1c73ece0bbff4887770a9893104165bc2654f5eda1150b |
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font_02_sfnt_off0000fb4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB4C | 4452 bytes |
SHA-256: 29485ad0dd39b6b48ec2fdcc5786bf255a2a2c6d7f1d8dbfc5cc1a8d26fb9ddc |
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font_03_sfnt_off00010b28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B28 | 19056 bytes |
SHA-256: 757071a355e72e1de189f74a5926bdca766b88bc2dc9db2a41aa93ba64f048fa |
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