MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs, with one prominent URL appearing in the document body and heuristics indicating it's a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The primary URL, 'https://yoyep.co.za/YmrXLWy8?keyword=diary%20of%20a%20wimpy%20kid%20book%202%20read%20online%20free', is designed to lure users by mimicking a search result for a popular book, which is a common social engineering tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 5
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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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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://yoyep.co.za/YmrXLWy8?keyword=diary%20of%20a%20wimpy%20kid%20book%202%20read%20online%20free PDF link annotation
- http://hftyby.com/upload_fck/file/2022-3-1/20220301094523446930.pdfIn PDF document text
- http://xzavod.com/kcfinder/upload/files/xijumu.pdfIn PDF document text
- https://zigiruma.weebly.com/uploads/1/3/7/5/137517675/7719179.pdfIn PDF document text
- https://www.houseofwax.cz/kcfinder/upload/files/81316811791.pdfIn PDF document text
- http://www.guard.ee/kcfinder/upload/files/momupivolopuvizimo.pdfIn PDF document text
- https://www.photosenpoesie.fr/ckeditor/kcfinder/upload/files/metejaxew.pdfIn PDF document text
- https://kojikajemafuzon.weebly.com/uploads/1/4/1/2/141231879/fopegixapixujabexidi.pdfIn PDF document text
- http://wanyuantemple.tw/userfiles/file/fawuwajexozuvadulejele.pdfIn PDF document text
- https://xinulirolome.weebly.com/uploads/1/3/4/5/134599248/2487814.pdfIn PDF document text
- http://asliev.coco1490.com/upload/file_folder/file/rubobogekibekomemusizasa.pdfIn PDF document text
- https://okud-istra.hr/userfiles/file/xenafeduzumitubizun.pdfIn PDF document text
- http://www.videobezopasnost.ru/ckfinder/userfiles/files/diwogafomojidiv.pdfIn PDF document text
- https://dulichsamson.co/admin/webroot/upload/image/files/74339136241.pdfIn PDF document text
- http://genesisglobalbd.com/assets/ckeditor/kcfinder/upload/files/90739592218.pdfIn PDF document text
- http://alfadent-volg.ru/images_uploads/files/13755211358.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/50189435602.pdfIn PDF document text
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/lutegokezuw.pdfIn PDF document text
- http://pnc21.com/files/fckeditor/file/16160305176217789ec32fd.pdfIn PDF document text
- http://daechienglishpark.com/ckfinder/userfiles/files/95088501645.pdfIn PDF document text
- https://nuzudaguzawoj.weebly.com/uploads/1/3/4/7/134717590/6ff175ff4.pdfIn PDF document text
- https://sujeliduk.weebly.com/uploads/1/3/4/5/134584652/1081464.pdfIn PDF document text
- https://simpeg.unsam.ac.id/kcfinder/upload/files/54383181453.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 extracted file (font_00_sfnt_off0000b79c.bin)
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b79c.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b79c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB79C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cfae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFAE | 17272 bytes |
SHA-256: 8f91cbe766fe76bb9fdc58478adba032956205f86bf2e4f6836c6c655ea9a369 |
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font_02_sfnt_off0000fd09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD09 | 10944 bytes |
SHA-256: 73dd1c24f6fa229a2aa0ae22d9398d4cffcffd814ae627eb5d050673bb7be73f |
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