MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO poisoning campaign. The embedded URLs, while some are marked benign, are part of a larger pattern of redirecting users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/019036a1e922e36e70347e4d3788d7aa/rarikofufijuk.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bad2b8ac2b---41017017473.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/0d5bcb623118664dcef10cb46e45ae3c/5853257289.pdf
- https://vipbeachhouse.com/uploads/editor/file/majuzefubebu.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/dlnmn5c3nlnomegf65lenk4pf1/48732939333.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b4702da4b---renefagej.pdf
- https://yuss.it/file/1264502855.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076da2345c6d---95436564362.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/1f5c728d8a4d5d35a56d2ea969693788/kuvebewizamegijeganabazeb.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/d57d44c0f1b9e1fc173e739a114aa5df/tuxabonaja.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16071447f6d05e---34658898697.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/0q6mq12jhr0ju6ghlfbsd0ge05/xebumonatefelitafadulejo.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/45v7irv7vn88pk8n39ggck6scr/kurikukipoketijuda.pdf
- https://mn-lawfirm.com/box/userfiles/file/85748694243.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/2016babffd325649edf332cb7a3643ba/62915451852.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/930b8c133b2ef727413eca7f018c5fbd/fekulojusenitawunifosulod.pdf
- http://heibldr.hu/FCKfeltoltott/file/60639170222.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c33c01d96cd---lapevejema.pdf
- https://casabresciani.it/uploads/file/1494235512.pdf
- http://ciskmv.com/css/file/31686348184.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607831e0970a5---zevetanakiden.pdf
- http://assistance.uz/images/shared/file/xuropazitunilunibadus.pdf
- http://fly.no1-yes.com/userfiles/file/29796827483.pdf
- http://jatyn.cn/upfiles/202105/file/1621194665.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=queen+and+slim+watch+free
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea55.bin4115ba9aba12ac18cf12af8f7403a99d3ecb9edbdf08c3d79c1b589c42494b2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA55 | 17144 bytes |
font_01_sfnt_off000116fd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116FD | 16792 bytes |
font_02_sfnt_off00012f14.bin26bf62c6ed882b41a931eae0956dbfefc5858dea9e2fa84f4a879dc3dce1e128 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F14 | 10868 bytes |
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