MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs that point to various websites, many of which appear to be disposable hosting or compromised CMS uploads. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm, likely to manipulate search engine results or redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing or trojan PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://chcial.ru/uplcv?utm_term=chal+mera+putt+2+movie+online+watch+free PDF link annotation
- http://knowleangling.co.uk/ckfinder/userfiles/files/83464827071.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109111600541642.pdfIn PDF document text
- http://blankheich.de/images/uploads/file/lixetasimorez.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/goketefalunegune.pdfIn PDF document text
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xonajoji.pdfIn PDF document text
- https://airflow-skateboards.com/userfiles/files/30741961755.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614626310b52b---jegugafelada.pdfIn PDF document text
- http://stevis.cz/files/file/sizawavijedafitige.pdfIn PDF document text
- https://landtop.com/filespath/files/20210909221826.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zudatu.pdfIn PDF document text
- https://asset-books.com/userfiles/file/59721665203.pdfIn PDF document text
- https://fetogram.ir/images/upload/files/32563204943.pdfIn PDF document text
- http://union.travel/ckfinder/userfiles/files/jawobenudapujak.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161308d1905f6e---44591254141.pdfIn PDF document text
- http://resumesfromabove.com/userfiles/file/guredupavaz.pdfIn PDF document text
- http://investgeorgia.ge/userfiles/file/83670070330.pdfIn PDF document text
- https://rimi.sk/userfiles/file/5518248790.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/78905931097.pdfIn PDF document text
- https://dalilak1.com/userfiles/file/vuvulal.pdfIn PDF document text
- https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/ruguzugodur.pdfIn PDF document text
- http://cherriestattoo.com/ckfinder/userfiles/files/jekabewasajiwiselowofevo.pdfIn PDF document text
- http://medeeatour.ro/mm/file/bivojadavakujaris.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a5055f85b---turonipiximewedozuxal.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/1a3521eb07074ba7fa4868f91f91df64/34895356196.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_off0000dc34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC34 | 18548 bytes |
SHA-256: f014178994598f1f62c6345ec15e03e81f24e3b64692c3e85b028ffd84d891f2 |
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font_01_sfnt_off00010c44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001245b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245B | 10980 bytes |
SHA-256: d7fd63e8519ce7baed790bd2e2cd239ba9a74bd4746cd6dd1a0385b497f35c90 |
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