MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The embedded URLs, such as http://escritacontabilidade.net/fotos/news/file/nojed.pdf, are likely intended to host further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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 http://escritacontabilidade.net/fotos/news/file/nojed.pdf In PDF document text
- http://maremania.net/img_pagine/file/buvonuximowepetetesilafit.pdfIn PDF document text
- https://acgroupenterprise.com/userfiles/file/60788425391.pdfIn PDF document text
- https://www.gurgy.net/ckfinder/userfiles/files/80468763541.pdfIn PDF document text
- http://hebakotb.net/userfiles/file/690735710.pdfIn PDF document text
- http://pizzeriadevita.it/userfiles/files/46296496715.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16149453302c48---8238388875.pdfIn PDF document text
- http://alarmy-kamery24.pl/userfiles/file/sitaluxofani.pdfIn PDF document text
- https://valgott.com/images/userfiles/file/68702664954.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/61577170557.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/617626121.pdfIn PDF document text
- https://pre-www.bridge-college.com/uploaded/ckeditor/files/62750698295.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021090904101173499.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/sqr49uinon3q87tl9dq32q13vh/7244426581.pdfIn PDF document text
- http://2013.letnifestiwal.pl/ckfinder/userfiles/files/tazaxavukekonizadamegiso.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021091613544216.pdfIn PDF document text
- http://on-video.com/movies/movie_data/file/vafuvorofag.pdfIn PDF document text
- http://www.lbtfilm.com/uploads/files/zeladireregir.pdfIn PDF document text
- https://borsalino.ro/imagini_ws/51959410609.pdfIn PDF document text
- http://castel.lu/userfiles/files/dawokarupepi.pdfIn PDF document text
- https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/pilipenuro.pdfIn PDF document text
- http://wwa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/legasavek.pdfIn PDF document text
- http://kanizsakran.hu/userfiles/file/64336043885.pdfIn PDF document text
- https://ventadeterrenosagricolas.com/userfiles/file/71117809231.pdfIn PDF document text
- https://tradingphrases.net/userfiles/files/xarixalo.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/161408da74ee18---33968616645.pdfIn PDF document text
- https://producedepot.us/userfiles/files/rugap.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=real+drift+full+version+mod+apkPDF 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_off0000bc7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD492 | 10960 bytes |
SHA-256: a5def0a3fcff45a0cdee546c679c62c6795d30cdaaea64d2c5776956c7b8d13e |
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font_02_sfnt_off0000edf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF6 | 20520 bytes |
SHA-256: b40efce0723b06d75429f5c151fa59373a7598f1c686cb4265e1bc8e184f6260 |
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