MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicative of a link farm. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest malicious intent, likely to lure users to phishing sites or download further malware. The ClamAV detection and ML classifier further support its classification as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://drafthe.ru/uplcv?utm_term=all+star+tower+defense+simulator+codes PDF link annotation
- http://full814.com/upload/files/76287172362.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613bea682d85b---wirapebozipure.pdfIn PDF document text
- http://smepil.com/ckeditor/userfiles/files/velifiwukefironefemujon.pdfIn PDF document text
- http://wwstationery.com/files/file/kitupagivapaj.pdfIn PDF document text
- http://cycling-software.com/files/file/43186601833.pdfIn PDF document text
- http://modernplating.com/userfiles/file/85426275616.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f0c621f5b9---21437205602.pdfIn PDF document text
- http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/28979937636.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/in69etkoi87c3ph0k15pfjad63/57021864537.pdfIn PDF document text
- https://aathichudi.org/userfiles/file/wonuwerofiwowasudap.pdfIn PDF document text
- http://smart-ventures.ch/upload/Editor_Images/files/jabipibo.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/kujejifudelinozutozefidi.pdfIn PDF document text
- http://kdbelektrotechniek.nl/uploads/file/40891997847.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/pevesuxivodojukabiguvafiz.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/wizubijemakewalagikutulut.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/82668819565.pdfIn PDF document text
- http://studioguagnoni.it/userfiles/files/70651704799.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/3480607970.pdfIn PDF document text
- http://mitroc.com/userfiles/file/29723009160.pdfIn PDF document text
- https://plasy.com/uploads/file/wofefobozejiwubanabumapev.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/36435383079.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/7b538cb4de24dd4f0718374633f6028d/31668862438.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_off0000c0e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d8f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F7 | 16700 bytes |
SHA-256: 3067bc3f87895c2f6e5e4280e76153eab5abd204a1c351aafa27182f6c79ec65 |
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font_02_sfnt_off000103ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EF | 10804 bytes |
SHA-256: fc0aaa32853490590e419649bd5dcb9f6100d5a3bd82a11d755c040937fd4966 |
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