MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm or phishing campaign. The presence of external URIs and link farms indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://infrive.ru/uplcv?utm_term=unconditional+positive+regard+in+counselling PDF link annotation
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836cdd31928---55418778637.pdfIn PDF document text
- http://canxetaidientu.com/images/file/lifogufalibuj.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7459e59437---dukuviwuwesak.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/8426805ab644a698b3ed9415ee60f290/28256936450.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1bced34c4---gogogozofexudasexonu.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/deragugizofiwojuku.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094f8ba7390f---vobafifex.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/86l42mbeubamc3s0f9e44uojbl/nokatebitogewoxogami.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b84281ef1b0---gezulevifod.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ad3c4b4600f---49548837556.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/0nve2m6tlt10abnsagnj15ot1s/sopuvisajufe.pdfIn PDF document text
- https://echipamente-scule.ro/userfiles/file/mezos.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/7ivr6pt6qoh8iu1q2ddr7md1e5/24561387776.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16088daab50f30---migerilebew.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/7385853ffee4a3e50dda539aabcea6f2/pafelonepipo.pdfIn PDF document text
- https://baongochoa.com/upload/file/bisedovobibuniziw.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/waverijexilelo.pdfIn PDF document text
- https://mimpiindah1.com/contents//files/84501888342.pdfIn PDF document text
- https://strechybenesov.cz/content/naxarewaxuxoxed.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d3f169536---jilolenukijagudasa.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090cf2748d2b---96651633737.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b2039557489---94337910654.pdfIn PDF document text
- https://narimasu-chintai.net/jcfiles/file/murepowujabojobem.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607abd8352ee2---resufimimepazuzapuno.pdfIn PDF document text
- 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_off0000e85c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE85C | 10864 bytes |
SHA-256: ccc31fc6a384d9bd48e54cf4828c26dcad1f27a2b32a3ead5bc00bff3c98b1c7 |
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font_01_sfnt_off00010167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10167 | 17632 bytes |
SHA-256: bf9fab061000ee1c54781c1e81ca30227e5b27d12b592d1d6bb41bcc608e9e52 |
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font_02_sfnt_off00012f8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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