MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external domains, many of which appear to be disposable or low-reputation hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm for SEO purposes, likely to host malicious content or phishing pages. The presence of a URL with 'download+apk+puffin+pro' suggests a lure to trick users into downloading something disguised as a legitimate application. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 5
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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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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://drafthe.ru/uplcv?utm_term=download+apk+puffin+pro PDF link annotation
- http://kbo.pl/ckfinder/userfiles/files/jexazubel.pdfIn PDF document text
- https://sproname.com/files/userfiles/files/kutizisarosoxa.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/39gqvdblk6au7152ev35dl7adn/43917469037.pdfIn PDF document text
- http://happyorderfood.com/uploads/files/23586221551.pdfIn PDF document text
- http://ceramicaartisticamarsalese.it/userfiles/files/nosaxokitabazizupalidexe.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac1920d706---87205093111.pdfIn PDF document text
- http://e-baze.lv/images/site/file/sokefuzosopixum.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/gavokofuzu.pdfIn PDF document text
- https://phatgiaolongan.com/upload/ckupload/files/xanizezebozivodimududuw.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/51154870733.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/3104885984.pdfIn PDF document text
- http://happinessgown.com/upload/users/files/31908151012.pdfIn PDF document text
- http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/puligu.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/93301214829.pdfIn PDF document text
- http://sualpturizm.com/userfiles/file/xodofomesifedaded.pdfIn PDF document text
- http://friulanapanini.com/images/file/masolidakexuwa.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/72125092671.pdfIn PDF document text
- https://bulendengin.com/upload/ckfinder/files/vuxagozojalesuvakofugub.pdfIn PDF document text
- http://vititanon.com/user_img/files/16357484276.pdfIn PDF document text
- http://oticonshop.com/ckfinder/userfiles/files/29332617321.pdfIn PDF document text
- https://kitapkapla.com/upload/ckfinder/files/69504855562.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_off0000be06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE06 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d618.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD618 | 20268 bytes |
SHA-256: df42b2a5933a169b75cbb03875b94ceda427c764720fd4523e9eeb89faa3fcb4 |
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font_02_sfnt_off00010a8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A8D | 10372 bytes |
SHA-256: aac5eefee70f93aca89d8ff5365dd8b64942cc042314084310474f5aeb25adf2 |
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