MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF identified as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the links indicate an attempt to lure users to malicious content, likely as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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 http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a276f2a8d---17904192203.pdf In PDF document text
- http://dailyxedayhang.com/userfiles/files/41500929220.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/564e3cb28204c8e168d2df290ba2bcca/rovanewesutoxejogu.pdfIn PDF document text
- http://maychamsocda.vn/images/userfiles/file/53842650719.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16089e332dfd91---digorodir.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/3bftge3k0vm9823h45nbbqehko/zobudavu.pdfIn PDF document text
- http://moyamoya.center/images/hand_uploaded/files/66519301651.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/fekazoliruviba.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/58009a35ae498f9ba9db1a55ea6e2a2d/177184730.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872d7ce2cd4---buwaxizosunitofebuju.pdfIn PDF document text
- http://jhsclassof63.com/clients/c/c8/c8cc7cee7579ddcd469b669c0eb172d8/File/dogegamenexujis.pdfIn PDF document text
- http://handbook.hu/upload/page/file/sixodu.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/latoxupexululir.pdfIn PDF document text
- https://thediamangroup.com/_images/files/3488546896.pdfIn PDF document text
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/52c05c30aa04771b1f170e4118e99dc2/kupukexetejuxividamefi.pdfIn PDF document text
- http://nhs-carpediem.com/clients/46367/File/kapeleretodad.pdfIn PDF document text
- https://soccerauquebec.com/userfiles/file/mejaterosinazab.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/d81f23c47588f603522307324369103e/sifaf.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160733b8a4dc98---medaluvilekazoximelowatap.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/hkf43ejqbvlv02n8n0ivpbqu47/biviviporovoxowavadide.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608b478dd8e68---tumudusuwo.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef8221f3ab---12118679090.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160805810025fe---bubaxisavon.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b3c07787f---lefifewirovuwu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cat+meowing+at+nightPDF 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_off00014cdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CDC | 18268 bytes |
SHA-256: dd7cb1758bd7febf2df39efac9d5434ab30a5fc060294fbdb558519769542542 |
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font_01_sfnt_off00017ba7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17BA7 | 10356 bytes |
SHA-256: a0d986917f4459c9daebc59e15ad508cf7061064084b386c668755757e31f725 |
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font_02_sfnt_off000192f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x192F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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