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, with numerous URLs pointing to potentially compromised WordPress sites and disposable hosting. The embedded URLs are designed to redirect users to external, likely malicious, destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://startent.ru/SITE/files/editor/file/putepotugewefiva.pdf In PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/41923256015.pdfIn PDF document text
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/15273595405.pdfIn PDF document text
- https://chaletsuenodesol.de/files/81116971503.pdfIn PDF document text
- http://speckrepej.com/upload/file/67813438657.pdfIn PDF document text
- http://virus-safe-zone.com/ckupload/files/43598038194.pdfIn PDF document text
- https://eniedu.com/data/file/20210912205727.pdfIn PDF document text
- http://www.mousumibanerjee.com/fckimages/file/98724883091.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/268b1867da034a8f50075bd59a9c7a77/rimitixevegu.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/51915922429.pdfIn PDF document text
- http://farmandari-sarvestan.ir/images/news/files/43820250782.pdfIn PDF document text
- https://ctcitsupport.com/media/files/59530498749.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/92362049883.pdfIn PDF document text
- http://hanstime.com/userData/board/file/25925005853.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/varapozig.pdfIn PDF document text
- http://depcip.com/app/views/panel/ckfinder/userfiles/files/zepalejedesiluz.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/ad06fa88fb0fc8e1d25bf4982dbf15bb/25801937168.pdfIn PDF document text
- http://noahmission.org/dataroom/file/sidajewejete.pdfIn PDF document text
- https://virtualpulse.eu/UserFiles/file/nebezaxumom.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614291040eb5b---runexugukedutebasuwanoxov.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d49a830a9f---21660126829.pdfIn PDF document text
- https://kimcert.org/E/file/vowoxazezegezifobuzik.pdfIn PDF document text
- https://senarathgroup.lk/assets/media/file/leborinunijaregimedelojo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=automate+actions+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_off0000df20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF20 | 10564 bytes |
SHA-256: b9d4e69cd0f22c4e6f3517192a021e8773945b0f22379e6b63837d9f9c91f7fd |
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font_01_sfnt_off0000f739.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF739 | 19152 bytes |
SHA-256: 2f35903430ebf3d03602b173ab64ed21fa2d153e30557d70459f94db6cead459 |
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font_02_sfnt_off0001295a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1295A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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