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 0.9952
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 http://glenbrooksouth1970.com/clients/1/17/17fc1bd13d5538a69f39d58c869d2fc5/File/nukilokew.pdf In PDF document text
- http://petukmahaaaraj.com/userfiles/file/gejefejepobixexagek.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f96ec68c1---logeponaribuzifizu.pdfIn PDF document text
- https://capecoralliving.com/media/file/17561759352.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160904f0a88f5d---kagave.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-5-5/20210505180715829175.pdfIn PDF document text
- http://au-zlato.sk/upload/files/mejezexotimagosixonupeva.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070865d6b199---sugibegulafaberufe.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/7b792e2abeaab7f41fb4de8dedf8ecf3/64960242505.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac726701f2---pejoweguvarameralunize.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/9348a8de568e02726305a16b58b0b7fb/lakudogog.pdfIn PDF document text
- https://lepjunk12.hu/uploads/files/lilozupidusakuxiwo.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/0ir09cbb35c1qukooklk8lbobt/71654847416.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/ffa7c93630b405e23870ef77ab38e205/50754869029.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/qdeo5srncvlo4cili9gof4r4o9/69920875478.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/d4c8b91c41485fbe1fc389e22d6ac306/pasufeboliriwiw.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/28891043362.pdfIn PDF document text
- https://afayl.com/userfiles/file/59018987926.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9a3236f2e---kivigosejaxa.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/61338739468.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607033d92db07---95469192520.pdfIn PDF document text
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/2rrcs16a196mqgbef985voal1o/nimizepatelizefopofem.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/56384282129.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=real+cricket+20+download+mod+apkPDF 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_off0000f4e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E4 | 10972 bytes |
SHA-256: 0716055d5516f2da4a89f8609349f3330bea423fb867f2df77f3092521208c7a |
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font_01_sfnt_off00010e69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001267b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1267B | 21792 bytes |
SHA-256: db2d030ab2903af351f4f9cfe3d99f5cedc2601f3036f4b3a1d6ebb100dc8d41 |
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