MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document that contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. This structure suggests a link farm designed to redirect users to malicious or phishing sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://catamma.ru/uplcv?utm_term=acrostic+poem+about+environment PDF link annotation
- https://kitapkaplama.com/upload/ckfinder/files/tofijadabuzepomazi.pdfIn PDF document text
- http://ajk-opakowania.eu/upload/fck/file/nitotabanelikexoxoxegub.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/33hfv3d3ukom7ttgvbt8ac9491/tijiropisolesopasumekisuj.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb4ebdf891---vepurejigekazigi.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d878edbc6---57742415367.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/3d953e600ba602aeff9d728521cf832d/65459975716.pdfIn PDF document text
- https://lederstuhlshop.de/ckfinder/userfiles/files/foremopifix.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a445e830ced---vifutedofunidimumutuv.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/93f90ff6afb1435dbe23839296c3b97b/tigoletogosusalup.pdfIn PDF document text
- http://legendtec-eg.com/wp-content/plugins/super-forms/uploads/php/files/tqaic2cf9ikp6hjj6a84v4f067/wukeledoxemasarowun.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ff82163c7---99529653316.pdfIn PDF document text
- http://euro-ex.net/images/blog//file/nazixirufopo.pdfIn PDF document text
- https://dogathermalhotel.com/resimler/files/94523628677.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16071ca731363e---60472999173.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/ad19263f49d2edae8ab6d7934c0e90c1/jusepemujatim.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_off0000e3e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fbff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBFF | 10776 bytes |
SHA-256: 780d2752e5fa75c7d3a959387fc09f50e5445a10b09fd3f4e0ebe627d9e63a18 |
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font_02_sfnt_off000114a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114A1 | 17464 bytes |
SHA-256: da66f6f65131acb08807e695548d0dac5958a687d52b102658c21520c3095418 |
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