MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Several heuristics indicate the PDF is part of a link farm hosted on compromised or disposable domains, suggesting an attempt to distribute malware or phish for information. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/b77ccc4f597fbb71b8c96fafdffe13de/17176301181.pdf In PDF document text
- https://atl-50.com/files/file/85462963220.pdfIn PDF document text
- http://kaies.cn/upfiles/file/xamuximofekolazuvujim.pdfIn PDF document text
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/84855387346.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aea52e1925---buxoxewitemofalidafa.pdfIn PDF document text
- http://www.lbtfilm.com/uploads/files/nasitugowo.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c6853597a7d---bobulivatigegimifa.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/48089183787.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160de1f98b4dc0---42413781109.pdfIn PDF document text
- http://kaowei.tw/image/files/20210527_162324.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/0kl3min5nf0vngp8t2od904a7k/76008364399.pdfIn PDF document text
- https://wanna-drive.nl/files/File/zisomudo.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/dd52b870a59da62e0892bab8bcebaf1a/bilawegevu.pdfIn PDF document text
- http://boeschfamilytravels.com/clients/43210/File/dibuxaxubimuwokupi.pdfIn PDF document text
- https://vrindaindia.com/php/joseph/uploads/file/tilebivo.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6383a28fc---3937999229.pdfIn PDF document text
- http://wirheiraten.de/images/file/52182940588.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd641d91429---39329563700.pdfIn PDF document text
- http://regalmotors-jp.com/js/upload/files/23438092701.pdfIn PDF document text
- https://paklya.su/design/img/upload/file/99899983579.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/2368109c8062fe1a9d2a99947caf9a5d/94113350250.pdfIn PDF document text
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/23989743867.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/161205da1d0b26---30226707083.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/0a151c285eabf1eb5395262f96cca4cd/sadazumidafijodo.pdfIn PDF document text
- http://pjzhengwang.com/upload/file/20210710_082827_125.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=hyundai+elantra+se+2014+manualPDF 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_off0000d277.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD277 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8E | 10864 bytes |
SHA-256: d7510c71688ac93d5ebd8d08bbc32d4e7da73093f28c2fee8fab59f4b0919169 |
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font_02_sfnt_off000103bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BF | 16840 bytes |
SHA-256: 1098fd55b62264ad06f5b8ffd4c95c530d6b1b003b5717e6fa54d720e5c5a845 |
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