MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV and an ML classifier as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised WordPress sites and disposable hosting. These links likely lead users to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://bokaichenyu.com/upload/files/99356373994.pdf In PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/7vpc116ojed9e5ctjvcu6k5q65/depulenaz.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613409eeb3d29---gobetavefunosu.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/86387823364.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161301c6186a03---71760995744.pdfIn PDF document text
- http://energy-labels.nl/userfiles/file/49405449971.pdfIn PDF document text
- http://prosquash.by/data/48302816771.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/9d913c9be3ef9318a3ff47fc10031dc7/42600390211.pdfIn PDF document text
- https://studioconcept-stand.com/fck_userfiles/file/11969899889.pdfIn PDF document text
- http://sage-chem.com/image/files/20210903_185553.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dorifot.pdfIn PDF document text
- http://hatowo.com/app/webroot/uploads/files/vusivowak.pdfIn PDF document text
- http://eros-arena.de/eros/userfiles/file/xojixebesikarabanawof.pdfIn PDF document text
- https://togeltop.net/contents/files/nozagiporu.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/sagife.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/nizoxorepuzu.pdfIn PDF document text
- http://studioindelicato.com/userfiles/files/31286905875.pdfIn PDF document text
- https://www.leasing.net.in/ckfinder/userfiles/files/rorisipipigirugeluputu.pdfIn PDF document text
- https://adurucui.com/ckfinder/files/pedoron.pdfIn PDF document text
- http://wohntraumgmbh.at/rezegupukitu.pdfIn PDF document text
- https://eslms.com/userfiles/file/xonemopilidimutirexup.pdfIn PDF document text
- http://hondasushi.com/uploads/files/sedijuzazamixutaxomidux.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/71f865596c6b42b9fc0f8b8899368338/83820671380.pdfIn PDF document text
- http://erfaspot.com/resimler/files/rilikujid.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/32287134818.pdfIn PDF document text
- http://storemisr.com/uploads/files/tenetuwijesa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=android+emulator+internet+connection+problemPDF 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_off0000bffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFFC | 17796 bytes |
SHA-256: 8758caa59ad12ffa97b1c90b3458bb2029a047f7f0673d03efee5f349c9237a9 |
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font_01_sfnt_off0000edd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDD4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000105eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EB | 10728 bytes |
SHA-256: 4937505556605d59da761f813c5296892623da03e79384402c2880aec738a7b4 |
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