MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'utm_term' parameter in one URL indicates a potential phishing or malware distribution campaign. ClamAV detection and ML classification further support its malicious nature, likely as a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://smidgel.ru/uplcv?utm_term=mobile+legend+mugen+apk PDF link annotation
- https://systematix.pl/userfiles/file/tewivelezonobinur.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4c7f0f7b2---nelavoruk.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131757618469---vibide.pdfIn PDF document text
- http://gerd-pollak.de/userfiles/file/wijexixes.pdfIn PDF document text
- http://bn-biz.com/userData/board/file/37967380838.pdfIn PDF document text
- http://icmasistemas.com/userfiles/files/bofugazodinafobu.pdfIn PDF document text
- http://werkschoenenverkoop.nl/images/docman/files/22237087872.pdfIn PDF document text
- http://kangshi-you.com/uploads/files/202109050447156780.pdfIn PDF document text
- http://potya.com/41706846121.pdfIn PDF document text
- https://masukpt1.com/contents/files/nafidonorupap.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f972d64617---15058004221.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/mevikibovoje.pdfIn PDF document text
- http://goraku-sangyo.com/userfiles/file/2719193686.pdfIn PDF document text
- https://www.idd.no/ckfinder/userfiles/files/89809896986.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/50e4a81d506c36f1cdcd8bf4f7d6c760/kisifajodaxuwetewujezuju.pdfIn PDF document text
- http://vikingpaint.com/user_file/file/natupibototoninozulap.pdfIn PDF document text
- http://tz5168.com/uploadfile/image/2021/09/12/file/20210912_234611_168.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/70301783143.pdfIn PDF document text
- http://festacreativita.org/userfiles/file/zifugakefu.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/23964923733.pdfIn PDF document text
- https://barcelona-health.com/files/galeria/files/37999334176.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/g0n54i2hatqb0ralu3gh5vjh69/vijabixipajuxezo.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_off0000e110.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE110 | 10696 bytes |
SHA-256: 3e74c0ba83a50f89a0d91ad73bc87ebd26d51d1d25aaa6aa3f95ec7f71408eaa |
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font_01_sfnt_off0000f911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF911 | 19424 bytes |
SHA-256: fbaf19c8180785f7792bf72cd26061bf32f6c61f2126319fdbc298d4388312c4 |
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font_02_sfnt_off00012b50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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