MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites and a deceptive download button lure, suggesting it is designed to trick users into downloading further malicious content. The presence of external URIs and link farms on potentially disposable hosting further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://garglob.ru/uplcv?utm_term=signals+and+systems+alan+v+oppenheim+solution+manual
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/f86a372aea8f5348ae4077d5b36d636d/38940290507.pdf
- http://mai-colle.jp/userfiles/file/pikopoj.pdf
- https://champion-osk.pl/userfiles/file/22366399024.pdf
- http://caythuocdangian.net/images/files/87081412279.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/f6c291744d8e51776ddfc058769c42d2/widuropezuwomutesonu.pdf
- http://daikinhbac.com/upload/files/61681373376.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/240953e1kfitenl75i302vu666/fogavuvejinavoturilop.pdf
- http://surtek.biz/image/files/20150116_151056.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607599eb70ca4---kilizinebiliruzapo.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/tshnpeaa5v56krb5h39ignjhv3/saronitenafifufiviziruv.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091ec3a9cb03---75929474952.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6e49be5d3---30748108529.pdf
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4165328d6---vetepakejokig.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/5ad4643b41af518825ed752d8f80b670/37999542627.pdf
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/lulememi.pdf
- https://taiwancy.com/app/webroot/userfiles/files/waxeresuzeloxugivojoxubu.pdf
- http://kpdb.org/userfiles/files/62000484461.pdf
- http://dlt-nkp.com/fileupload//file/91761412045.pdf
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd3d7662376---wafipefibizakutob.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1608134b799996---ligivoduruka.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b5d4.bine3c46630baee967c41423294fa8aef424a0ae383d03211842c08a15d0f1cfb19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5D4 | 16364 bytes |
font_01_sfnt_off0000e00e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE00E | 16792 bytes |
font_02_sfnt_off0000f825.bin56fd8a060f6773df10ec5a51b488b7b3688a3d7605ee0f89889f9a97b10b4355 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF825 | 11092 bytes |
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