MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF 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 external websites, some hosted on compromised CMS platforms. The document body is heavily obfuscated and unreadable, providing no direct user-facing content but reinforcing the malicious nature indicated by the heuristics and URL analysis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://probeg2000.ru/files/userfiles/files/xuromomemif.pdf In PDF document text
- http://piscesappliances.com/userfiles/file/jegixisawejapes.pdfIn PDF document text
- https://mai-avto.ru/upload_files/file/28581007994.pdfIn PDF document text
- http://farmandari-sarvestan.ir/images/news/files/wedajibajowelodiketi.pdfIn PDF document text
- http://sakurahoaanhdao.com/webroot/img/files/finoxoz.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/7ms4jef1icsangt6lcbs0olfmk/8017821854.pdfIn PDF document text
- http://arcenevents.nl/site/upload/files/zokuzuvikupotodapomus.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/31899411122.pdfIn PDF document text
- http://valsadindustries.com/userfiles/file/bijifuregapuvijex.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210910103056_kj3g47.pdfIn PDF document text
- https://tutorsbureau.net/userfiles/file/majimuwakevosimiki.pdfIn PDF document text
- http://ideviceplus.nl/app/webroot/files/userfiles/files/44029861611.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/rumelebigovub.pdfIn PDF document text
- http://wixoon.hu/upload/file/fewalozuzimimawesajomujig.pdfIn PDF document text
- http://tractortools.cz/ckfinder/userfiles/files/fevusiduwo.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133441631baa---2085145022.pdfIn PDF document text
- http://novehorizonty.sk/userfiles/file/dabebivakusafidipukufoni.pdfIn PDF document text
- http://topbondtape.com/uploadss/file/jawenomomi.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/wiwulonon.pdfIn PDF document text
- http://piotrkowska77.pl/zdjeciafile/88679114240.pdfIn PDF document text
- http://khamtribacninh.com/images/files/jevakeba.pdfIn PDF document text
- http://www.radio-kum.si/data/files/59656664944.pdfIn PDF document text
- http://www.waetsukai.jp/system/ckfinder/userfiles/files/43811803999.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/dfb15299fca1b55e26f6d8ad714b255a/vibusenenis.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=can+you+play+fortnite+on+ios+nowPDF 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_off0000d66c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD66C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE83 | 10680 bytes |
SHA-256: da2bff7152de462445768a1a79b53bb8ab84a475beefac9c5429eec0bf76e84a |
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font_02_sfnt_off00010744.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10744 | 16728 bytes |
SHA-256: 76426deb7f631a0c95120474ea5a621104131df46bc31f5af3df164c76144e1b |
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