MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to compromised WordPress sites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV also flagged this PDF as malicious, specifically as a phishing trojan. The primary attack pattern involves luring users to malicious sites via embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb4872eab0---dejedoduxubexawixeso.pdf
- http://shipagents.nl/uploadfiles/file/pokoxox.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4ce8f38004---vasumowukimepod.pdf
- https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/eb8f9816d4c65e3523f86821e2ad1595/74752856245.pdf
- http://wildpflanzen-planung.de/file/96054697890.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/udk28q40253l2dthcktnuqv1m8/98471360235.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1339d370f---vapojuluga.pdf
- http://faw-asia.com/image/upload/files/vejexijaramoxebezo.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2f358537c---nexive.pdf
- https://kfmaccounting.com/webroot/img/content/files/17518329367.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082809159ab5---repanukowade.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/8fnjckjqgd3be2p8i0mnvicp6i/daxol.pdf
- https://upbilbao.com/ckfinder/userfiles/files/befetopemamodi.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/4cl2d1cega52aotil6bj9q96eb/dajulubiwo.pdf
- https://accesoriosalmayor.com/images/userfiles/file/99505776602.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/8caa93e5a4e1c97822e36e906cdb7d43/15266149626.pdf
- http://ccswcd.com/userfiles/file/49432777108.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/8938c324968a05400e0415bf6d04ecbc/7438661141.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/n2lhn1ld25dhenravstum8fe5f/30316602127.pdf
- http://vipnjl.com/userfiles/files/teziwavag.pdf
- https://phoenixturkey.com/upload/ckfinder/files/41019196404.pdf
- http://sns.hu/_user/file/33641772324.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca06f5d7a5f---54159652458.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/d772414cc7350b6431658e8f4b41119e/94163856513.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=convert+string+array+to+int+array+c%23
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b507.bin26bd6d37cbf2c52c135a96ddd88f643367ec3cd77173f5c47d01c684362319b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB507 | 10568 bytes |
font_01_sfnt_off0000cd67.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD67 | 16792 bytes |
font_02_sfnt_off0000e579.bin1f94c7a06e6fa533957eba99190aa9ef8fc24ee0a3b143377f56f0354b0f8113 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE579 | 14864 bytes |
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