MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was identified as malicious by a ML classifier and ClamAV, flagging it as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS platforms or disposable domains. The presence of numerous links, including one with a 'secure vpn premium apk free download' UTM term, suggests a phishing or scam attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://mudrkanuch.sk/editor_uploads/system/files/parudavab.pdf In PDF document text
- http://hinodanang.com/uploads/image/files/56836520267.pdfIn PDF document text
- http://metabolizmusonline.hu/images/upload/file/kizomenubilulexupe.pdfIn PDF document text
- https://rtvpuls.com/ckfinder/userfiles/files/vimafuzesudamewawive.pdfIn PDF document text
- http://vanxuantravel.com/upload/files/5753008430.pdfIn PDF document text
- http://koala-al.com/d/files/74935370245.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/36296548412.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/5ml2tmllmts09n4v2kknobctqv/51633783671.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/7620815290.pdfIn PDF document text
- https://onthespothousing.com/userfiles/file/43959647497.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/xewepakil.pdfIn PDF document text
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/fuwevufakawelu.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/gejewamom.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/550ebf80e20d7587cdfdca2388de7023/najumanevidanozovezanutej.pdfIn PDF document text
- http://ghinelliarchitettura.it/userfiles/files/buretobavoniwijoworinob.pdfIn PDF document text
- http://amandamaitland.com/images/file/28185840460.pdfIn PDF document text
- http://moveworldtogether.com/datas/files/49535313785.pdfIn PDF document text
- https://tailormade-sales-marketing.com/userfiles/file/pipaxiwotulitevopevaf.pdfIn PDF document text
- http://orthocarecentroortopedico.it/userfiles/files/37316390699.pdfIn PDF document text
- http://abcgsgeds.friendship-match.com/upload/files/pegulaxakumurisetofivo.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/6a2fdb0fab71f8512c6dabd13c5272c7/vopuza.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/savufelevumawuxilamuk.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/nibogijekifex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=secure+vpn+premium+apk+free+downloadPDF link annotation
- https://b2cdemo.tickets.com/content/files/60480323015.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_off0000b030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB030 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC847 | 10932 bytes |
SHA-256: cc9159cb434829b0cf4b9b0a834832bb673f9fd54e3cd03365fa0c83de13697b |
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font_02_sfnt_off0000e196.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE196 | 14640 bytes |
SHA-256: a19bd3dab7fd114818fe0959b42b793c893f93a23f699f2470558eb84d7da0c6 |
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