MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many of which point to compromised CMS upload directories. This structure is characteristic of a link farm designed to distribute malicious content or facilitate phishing. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/43d5d4c12f6c26eb0889b83d92521829/mosikona.pdf In PDF document text
- http://playitdirect.ca/ckfinder/uploadfiles/files/47810616546.pdfIn PDF document text
- https://davaocarrental.com/images/file/33625221156.pdfIn PDF document text
- http://annassteen.com/ckfinder/userfiles/files/70840443484.pdfIn PDF document text
- http://www.mostex.sk/files/articles/file/sebugof.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/50751793013.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/wavebuvijo.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/c073bde3911dee158bdc56e975fce6c2/19496912901.pdfIn PDF document text
- http://vdadanang.vn/app/webroot/assets/files/funokunodajosexiwo.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/sr0lnrj26bh0nqpocrgf90cg0u/vamilekipafeduzugetezis.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/tikif7al2397j5krnhapouh2e6/21275166676.pdfIn PDF document text
- https://bouveau-consulting.com/userfiles/file/67991555537.pdfIn PDF document text
- https://majubesar.org/contents//files/vijapegawipa.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/i9j8k0h8k3l7mfvjmca5htm404/98199973930.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/dec2bcd6fbd9f963b8f515f2fa8e8201/68015564564.pdfIn PDF document text
- http://superplasticizer.cn/d/files/16585789635.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/ug6l0g9ocnr9n8o24akfbgphua/davagadege.pdfIn PDF document text
- http://arci-mp.fr/admin/File/54252948615.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/wuzojeb.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/f3djbt2itofg1lsf044uq964r7/36835496041.pdfIn PDF document text
- https://wasael.com/userfiles/file/44555028552.pdfIn PDF document text
- http://casaledellasignora.it/userfiles/files/dotidax.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=math+multiplication+test+pdfPDF link annotation
- 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_off0000fdb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000115c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C9 | 10880 bytes |
SHA-256: 85bb67d52361d525f38723370f785fa7e5b4e4a156a3de364a3079f2b3e19059 |
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font_02_sfnt_off00012ebb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EBB | 18464 bytes |
SHA-256: 4f818d4ef179662d05410222e228e6709a3dabbc15de2cd96705adf302b2b083 |
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