MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, some of which are hosted on compromised CMS platforms or disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the nature of the heuristics point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://vietnaminsight.biz/ckfinder/userfiles/files/69510359138.pdf In PDF document text
- https://sanipro.ma/app/webroot/uploaderfiles/lenivafaw.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/25585659210.pdfIn PDF document text
- http://gdbchurch.com/clients/43262/File/rubajabuteni.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/12227430866.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/13b8db5c21f000a01426be9936e28099/rekubabigejawojen.pdfIn PDF document text
- http://hkbroadwin.com/userfiles/27939636477.pdfIn PDF document text
- https://plasy.com/uploads/file/wawajuxexowusirejibam.pdfIn PDF document text
- https://mszukam.pl/dat//file/gozigarulawukided.pdfIn PDF document text
- http://kite-surf.sk/files/vizetafunelewol.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/ah9re1bvnj8u7gfinrtul7trv4/51013267609.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/68413467919.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/87695950749.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/fasepaloxularadonovilufa.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/30370903058.pdfIn PDF document text
- http://alda.pl/ckfinder/userfiles/files/niladixusawuvozamalogomep.pdfIn PDF document text
- https://ctsgroups.asia/images/file/paguduzenitu.pdfIn PDF document text
- https://vydavatelstvoklett.sk/userfiles/file/5187956415.pdfIn PDF document text
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/99ac4bdde030314281a1f8816efb708b/46048210135.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/851b11b72d69e3cb8b6272c5d78f3d5c/sijukine.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/7feb06f93bff743d0b738582294c77e3/tusulusil.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/lesakovuwaras.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094557094b28---pubitadolaxubovuj.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/af498774b15898f5c438230e54cb6d54/66545197006.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=python+cookbook+4th+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_off000147bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015fcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FCD | 17612 bytes |
SHA-256: b5b7cf2818533a802a64fd5786ef4a7649cf5973b503bedf1267c688e3f73804 |
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font_02_sfnt_off00018d95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18D95 | 10440 bytes |
SHA-256: 901d835d41011bf06f5191f9e47c599993a1dae85b32869dd3990884bef55a11 |
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