MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with a link farm attack pattern, designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
Heuristics 6
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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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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://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/23a8b255e77d2a8dbda390fdbe6e6960/37961587386.pdf In PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16070378551387---tixezesafofozisaletin.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f16e21c29---tijelolipefi.pdfIn PDF document text
- http://playitdirect.ca/ckfinder/uploadfiles/files/xozikevobuj.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d20e1ef1688---94876421884.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1607128791b58f---kapawugewagalone.pdfIn PDF document text
- http://maidichike.com/upload/files/degezatejisuwajel.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b290820f50a---89325586946.pdfIn PDF document text
- http://highspiritsmusic.com/ckfinder/userfiles/files/jixikavenadikapusup.pdfIn PDF document text
- https://shriayurvednagpur.org/public/ckfinder/userfiles/files/fewupuf.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/nisud.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3488e5e2ae---63708624436.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160b3369b1d508---59201644779.pdfIn PDF document text
- http://huile-de-nigelle.info/userfiles/file/958814683.pdfIn PDF document text
- http://darec.sk/files/files/32339236983.pdfIn PDF document text
- http://flyingcarpetclementines.com/userfiles/files/wobuz.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089c4cbd3b95---bapelar.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608913ad230c6---83249540581.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8294b5e86---nidilapaxiwozebosu.pdfIn PDF document text
- http://linkingpeople.info/userfiles/file/77800550091.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/299a241641da0f33261a12d7515b6160/sanakidavajokujowopawapef.pdfIn PDF document text
- http://sieuthibds.net/images/files/juzatipefika.pdfIn PDF document text
- http://shukokai-voves.fr/userfiles/file/97600015250.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/2cbfc3c7b53779d8f1e0a9e7a3a7cf27/27210416693.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=what+did+billy+mcbride+do+to+coopermanPDF 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_off0000e2b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B4 | 10860 bytes |
SHA-256: 66f3d3d4bc148c97432f80b50862ac18e7f22687f0e75107a90cd7e993563045 |
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font_01_sfnt_off0000fb58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001136a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1136A | 16800 bytes |
SHA-256: d9b61c252f29baef86997e8266ec7bd2a7cbd84bf25834ec35b44237b146f3d7 |
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