MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised WordPress sites, suggesting an attempt to host malicious files. The presence of a 'download button' heuristic and the ML classifier's high confidence score indicate a malicious intent to trick the user into downloading a payload. The document body, though heavily obfuscated, contains terms related to 'hack apk android', further supporting a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7cdf2a37e---pigorojenudumovemo.pdf In PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2bec75576---7434040609.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/5d8b09a9e0dff2dda07dd7428be2ecd4/31257697201.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/a2c12567095e4bcf17906d60c18b0c98/nupesumam.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd78d4bfc6---pokakuzedukavul.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/11740357400.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/wojikunu.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/84100457588.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c95f64a2c3b---90662018207.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839ea2a8af2---47586716664.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/zoruwulipabuso.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160976692ed1c1---92706645068.pdfIn PDF document text
- https://tmtteks.com/files/siladeranidiwajifebodij.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/1cc1c809a4707c1bfcc5497f1b45e08b/kuwil.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/dbf726e2209f58d2143484debe4d2429/74683082474.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2ed415f66---3465905956.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=geometry+dash+invincibility+hack+apk+androidPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC3C | 5708 bytes |
SHA-256: 441423c497113c5f9834bd5ac78e4e60ef9350741688d2740fd1119d8bc1342e |
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font_01_sfnt_off0000ef82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF82 | 12648 bytes |
SHA-256: 9ada966b5b6a025dc2b5824073afdcfd974accb46f4bd34131ea759770851ebf |
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