MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the document as a link farm on potentially disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16077f0bb02e8a---wovefowinulotagot.pdf In PDF document text
- http://cke.hk/userfiles/rulidozepizudajojafofe.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/20233487072.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace0c13bde5---26139441192.pdfIn PDF document text
- http://gptools.net/userfiles/file/37462161364.pdfIn PDF document text
- http://animationcoach.com/userfiles/file/vupijevulopukunizojoz.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/lv4dkps0url9haucminqra7u1q/zalelamelaruvo.pdfIn PDF document text
- http://digemnd.com/UserFiles/file/25199722427.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3827690ee---doveku.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/47832444326.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160925e116ddc8---wamibifovarokezarinamek.pdfIn PDF document text
- http://cornucopiafrederick.com/uploads/files/24146447079.pdfIn PDF document text
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/84519922804.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945742d9880---bimatarabaxoju.pdfIn PDF document text
- http://broadgatecapital.com/userfiles/file/32871459749.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/b3645d686d4b33c787b8e5ceafb2ccf0/purenonusemevoferila.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ig0erkd6fbl2dn4mt064905557/5128625022.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=the+flight+attendant+book+club+questionsPDF 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_off00010d86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012598.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12598 | 17616 bytes |
SHA-256: d097cb82332a502e8a7617beaca84f49ac96f7b08464083e2a9e2364b8032c20 |
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font_02_sfnt_off000153c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153C6 | 11096 bytes |
SHA-256: 4762420738190a790a9f7cf3ab1417cae5f50e2cf19cc9b3a75e079ef3c98c53 |
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