MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many external URIs pointing to potentially compromised WordPress sites or disposable hosting. The document body is heavily obfuscated and appears to be non-readable content, suggesting it is not intended for direct user interaction but rather to facilitate the redirection to malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://mimpisiluman.com/contents/files/29300286182.pdf In PDF document text
- https://frutalmente.pt/site/upload/file/lusota.pdfIn PDF document text
- https://fratellifurloni.it/file/88606255038.pdfIn PDF document text
- https://penal-garazh.ru/files/57728642530.pdfIn PDF document text
- https://12shio1.com/contents/files/60500194490.pdfIn PDF document text
- http://home-plast.ru/foto/files/zebazumebed.pdfIn PDF document text
- http://mweb.cz/images/file/momepamubizaxi.pdfIn PDF document text
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/78052875068.pdfIn PDF document text
- http://aygroupmuh.com/image/files/79167736521.pdfIn PDF document text
- http://cerrutistudio.eu/userfiles/files/33220086167.pdfIn PDF document text
- https://suadienlanhhanoi.net/upload/files/duxunuxo.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb188137be---28693226017.pdfIn PDF document text
- http://jianianhuayule.a9188.com/upload_files/art_files/files/20210902_134205.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/jesumemuxuvi.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1f8b155899dabc4e07d8e26aab47daf3/lewumexopuzodero.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/27389158251.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d6b12cc58---latusajudulof.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/fizodib.pdfIn PDF document text
- http://tajesink.com/Uploadfiles/files/woguwarumijegigeketugara.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613bef9821215---18328720714.pdfIn PDF document text
- http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/dumosigikaviwifezudogum.pdfIn PDF document text
- https://riwg.in/userfiles/file/pomozizopok.pdfIn PDF document text
- http://premiumcsp.com/uploads/files/77060520851.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=gute+multiplayer+spiele+f%C3%BCr+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://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_off0000dc79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f490.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF490 | 11104 bytes |
SHA-256: ba9be3ac1e2f49dad69cbc742a732e9197c1d4da165dfbc45dafbc8a40c70da4 |
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font_02_sfnt_off00010e26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E26 | 18696 bytes |
SHA-256: d9d9e0c25bf0a41b46902c7ac5cdf612931a50cc9a1b6d27513e117e3775fa2e |
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