MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, indicative of a link farm. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this is a malicious document designed to redirect users. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://cdhsalumni.com/clients/28864/File/tibak.pdf In PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c78e705c9ad---mofipigizuge.pdfIn PDF document text
- http://kondicionery-krasnogorsk.ru/upload_picture/file/875138911.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/4f973c7f3dc4b281267eb4dc59446fde/48554927770.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/395c6a7cff7cba802db1c1a9c7b3be79/zovitikekibejivuvit.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/14n5k01ep8lbfneei1rk1gd8od/sogofetofotuguna.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/17070203902.pdfIn PDF document text
- http://oilandgaswork.com/userfiles/file/95782198647.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/a099026df4970533ae2dbf0e8cf68c24/89770644964.pdfIn PDF document text
- http://www.abcklima.hu//data/editorfile/73207915504.pdfIn PDF document text
- http://rockfordauburn1966.com/clients/8/85/8549db0cc7d1f63cce07d3be93bd6f3d/File/tuvem.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/3f083adf2c9581514788e07fa97572a1/4224041679.pdfIn PDF document text
- http://lignumweb.com/site/webroot/uploads/files/vetaxagenojunupun.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/711bdcce2362affe8933919a7080b485/42779543596.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec92388750---84642575869.pdfIn PDF document text
- http://liveisagenix.com/ckfinder/userfiles/files/10467369844.pdfIn PDF document text
- https://sleepthai.com/piceditor/file/ruzugejumiwegitix.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/37746125962.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/s2drr0v8eejs1k53m7fckfcjo6/15209551982.pdfIn PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/dd6sp4hpbamt3lu64mh6nft8qc/mibulilaged.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d97b6781d---35662200201.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b531760aae---95480127700.pdfIn PDF document text
- https://knurussian.kr/DATA/upload/files/202106300629064928.pdfIn PDF document text
- http://haenuri.net/ckupload/files/8779181439.pdfIn PDF document text
- http://youngshiny.com/userfiles/file/1624653734.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=data+science+from+scratch+2nd+edition+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_off0000ee97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE97 | 17744 bytes |
SHA-256: 04b7eb903b817bca80a5c0f6ea543e32ef3ae724299e714e7a00be083c97578d |
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font_01_sfnt_off00011d2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013546.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13546 | 10960 bytes |
SHA-256: df5343287e13392b92c7047032f06ac97ac7f0018cdfacfb7c52e52f90bc888b |
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