MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and link farm indicate it's likely part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://andana.us/files/files/28481627411.pdf In PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea677675d6---loluderavivijeziruxep.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/14446208313.pdfIn PDF document text
- https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/5305347157.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/2464865e0694db510e69895054f2172b/jepuxe.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/17047772171.pdfIn PDF document text
- https://foulardfotografando.it/file/komuxisajukisuri.pdfIn PDF document text
- http://liddellgaryfamily.com/clients/863293/File/batisudobawiwa.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/ee9482b752b023a0e80b6adfc5bf3ee4/29587312149.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/pawidagotorogenisadepubid.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021051717114771.pdfIn PDF document text
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/kejegu.pdfIn PDF document text
- http://erdivigado.hu/userkepek/file/fejoletiluruxitenanikafir.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc82b48e97---jenejago.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/59286767159.pdfIn PDF document text
- http://usmleworkout.com/files/file/10502465689.pdfIn PDF document text
- http://magendans.com/imagefiles/file/wogukefi.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/limitu.pdfIn PDF document text
- http://fittbike.hu/files/file/gunaduben.pdfIn PDF document text
- http://nirmalamathachurch.org/cms_uploads/image/file/pidudaz.pdfIn PDF document text
- http://merwepizza.com/upload/file/19613613200.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/eglsrf62fbdg2hhr733gvvlqg1/jadizofikeniruwokogi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=pectinase+assay+pdfPDF 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_off0000ada5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c5b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5B7 | 14792 bytes |
SHA-256: be83a46ab6d01e25d8dfdebd920cb7b19345b56d26621dc597a9fc9ac73c4f80 |
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font_02_sfnt_off0000ea7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7C | 10464 bytes |
SHA-256: f393cdea4e34b0072195ce8689b87801c41e0d6213f0df73bd678e54cb98255c |
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