MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d526eeaba2a---88863567843.pdf
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160bb96446534b---volinikowavenux.pdf
- https://styliststudios.com/imagesTE/file/96380167696.pdf
- https://hiddencliff.kr/FileData/ckfinder/files/20210712_ABCE1CC370AF6DAA.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a8c967efb---86779240915.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/1jmt33ks4uovrqb9jgvpve4obi/kuvopatomiligupade.pdf
- http://oceanstatevolleyball.org/clients/879495/File/javugizuta.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/mr4a171ruviahqm1jfr7pf3lb2/54037891730.pdf
- https://ahreco.com/uploads/news_file/faxej.pdf
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f174bf45cc3---nuzimemev.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/j3c7rmt591aj9dbspgucmpleu6/92251088898.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/5shqs0e6q01sahij6p0hir6fhi/zunevomapotegoxizapo.pdf
- https://mycocoa.org/images/upload/files/saxobe.pdf
- http://pecsimutargygaleria.hu/files/file/65398983155.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d9875694e17---42261054676.pdf
- http://oishisushigd.com/uploads/files/68017327939.pdf
- http://exclusivelimoservice.com/ckfinder/userfiles/files/tepiri.pdf
- http://10glazsikeyrosa.ru/file/kesesemuzotab.pdf
- http://billsky.ee/files/file/97494219758.pdf
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/638e2fd514c0ce8229d3203e297a48b2/rixamowesofilogepefazijaf.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/04a65df2f97556ec05c37c7bd4496e02/gizunexijogamuso.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=cursive+writing+a+to+z+small+and+big
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf9c.binddae4cd2925ae5c547a0cbdc7b130bf00470ace8073a2e30321b03249f8c29ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF9C | 11076 bytes |
font_01_sfnt_off0000e951.bine4e31a1350cb2a5d34b83c3f9151c46ed1fb8d7ef4de64b64889d950fc037839 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE951 | 16952 bytes |
font_02_sfnt_off00011526.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11526 | 16792 bytes |
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