MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous external links, including a link farm hosted on a compromised CMS upload directory, suggesting it is designed to redirect users to malicious content or downloads. The presence of a 'download button' heuristic further supports a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://synerhu.ru/uplcv?utm_term=strymtv+alternative+for+android PDF link annotation
- http://www.bsa.by/ckfinder/userfiles/files/vedavuxo.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210906210939_a848ga.pdfIn PDF document text
- http://7seapharmtech.com/Uploadfiles/files/lanopomopiradapukelov.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613e389642f73---48874212843.pdfIn PDF document text
- http://le-bouquet.be/userfiles/files/naxunoduwape.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/31654398086.pdfIn PDF document text
- http://tubemakingmachine.com/uploadfile/files/80526065966.pdfIn PDF document text
- http://rbc-bezorgdiensten.nl/upload/81882522500.pdfIn PDF document text
- http://vecsecity.info/editor_up/41306083646.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131890bea4ac---56571255729.pdfIn PDF document text
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/68420440263.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/xoxorux.pdfIn PDF document text
- http://sushinamu.com/uploads/files/pevavatizokoluwom.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/91215034b046a16273173fee92a7d581/89609407936.pdfIn PDF document text
- https://matteagianotti.ch/userfiles/files/59991667160.pdfIn PDF document text
- http://thefarmatarapahoecounty.com/userimages/97043862973.pdfIn PDF document text
- http://moneymaker-gold.de/files/xifugemifavogixitoxodizev.pdfIn PDF document text
- http://kingtonkatsu.com/uploads/files/88399868348.pdfIn PDF document text
- http://softwarefactory.nl/images/file/wudolew.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/58266657856.pdfIn PDF document text
- https://securitydm.rs/slicice/file/vipudojegurexukobawo.pdfIn PDF document text
- https://mycocoa.org/images/upload/files/nasowijibolof.pdfIn PDF document text
- https://dubaimotorcycletours.dubaimotorhomerentals.com/uploaded_images/files/darumobimasizejelaxez.pdfIn PDF document text
- https://exam11.menapoint.com/app/webroot/upload/files/vobakizifokorajodo.pdfIn 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://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_off0000efea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEA | 18588 bytes |
SHA-256: d38afddd31bd1b95c31fe30890d9cfe4e5c4cd5107e0094808abce4093e989b8 |
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font_01_sfnt_off00012067.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12067 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001387e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1387E | 10604 bytes |
SHA-256: 959a7a6d6d533fae4a48d15b013403fce615f4456df3aa8c85767e1f5394aa93 |
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