MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected by ClamAV as Pdf.Phishing.Trojan and ML classifiers also flagged it as malicious. Numerous heuristics indicate the PDF is a link farm, with many URLs pointing to compromised WordPress uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the overall structure strongly suggest this PDF is intended to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://crysiq.ru/uplcv?utm_term=nama+os+android+dari+awal+sampai+akhir PDF link annotation
- http://webbuilders.com/files/file/lojipobozuzumuwiwujifuj.pdfIn PDF document text
- https://a-pointpro.com/cms/ckfinder/userfiles/files/24833549904.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/29c5cea0d1e07b36cf3c20e21d0ceff7/75953128628.pdfIn PDF document text
- http://www.reeder.ee/files/filemanager/51470372927.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/c76bcff6876b9996117ef8daa5d9201f/93508970971.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5f5b70e2e---rimagufebebifozis.pdfIn PDF document text
- https://minhvuongthuphap.com/upload/ck/files/78008971885.pdfIn PDF document text
- http://pinxedien.net/upload/files/61529342943.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///72432745070.pdfIn PDF document text
- https://wodepcb.cn/uploadfiles/files/25250706210.pdfIn PDF document text
- http://sipsak.nl/userfiles/file/piramasolisod.pdfIn PDF document text
- http://susasoft.com/upload/userfiles/files/44459427091.pdfIn PDF document text
- http://marienoellebermond.com/img/uploaded/file/90651840312.pdfIn PDF document text
- https://bulgariapools.com/contents/files/53877508524.pdfIn PDF document text
- http://gianenricofabro.com/userfiles/files/betareretulosobigivuvupi.pdfIn PDF document text
- http://czpohledavky.cz/userfiles/files/wazuxonawakevitunobubag.pdfIn PDF document text
- https://newsale.linyn.mobi/upload/ckeditor/pages/files/91115920848.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/70674062761.pdfIn PDF document text
- https://rubyyadav.com/nbloom/fckuploads/file/88576471937.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/d282258e3ab16327359cc324aa1f1773/likofojanaxig.pdfIn PDF document text
- http://astprom.ru/sites/default/files/file/gotorerikisakeruvib.pdfIn PDF document text
- http://akekaluck.com/ckfinder/userfiles/files/remojasevarawepukom.pdfIn PDF document text
- http://improntediteatro.it/userfiles/files/78553924131.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16132dea3e41bb---wasuvonoge.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_off0000f582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF582 | 18376 bytes |
SHA-256: 81b7f66bb6d62b54ea7ea6e625e90432a648b94265e1f5c8a9cb5a10465f6025 |
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font_01_sfnt_off000124d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124D2 | 10584 bytes |
SHA-256: 88ac20801fe268e254f0dc07e0fe8ce087b65a7b94bd7f3a3ebf3e163c60039d |
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font_02_sfnt_off00013cc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CC2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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