MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external PDFs hosted on compromised or disposable domains, suggesting a link farm designed to distribute malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs users to open a password-protected archive, a common tactic to bypass gateway security.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://media-get.ru/userfiles/files/lisaludozurajutigikek.pdf
- http://www.pranabkumar.com/fckimages/file/lowoberotisolasofeda.pdf
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/h4c292dobf843kjefkei1hi4b1/tolaben.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/svb2jv1vbksh7fiirmsmbjmq15/kuware.pdf
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8f89b75f8---jotopukapijate.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f2e7c485257---detelilinetirederajevi.pdf
- http://iqlacpro.vn/emotive/upload/files/94788865424.pdf
- http://blsfamilyreunion.com/clients/1/11/11e20eb1c47c3498ff3e66fc1941d138/File/nemus.pdf
- http://usaoxin.com/userfiles/2021-5/file/jadofuwosuw.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/n3e8cssqt38cpae2n9r9vjbdpu/10067115763.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f61a26b6d67---46129412118.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c5ac5558b---zudotosunu.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/t0fuh7u3058h8p1r14dq7fou0p/77713407725.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/87994702480.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160757fc273399---53243870737.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/cb66593805fb1cd110578f4c026bf2a8/76690451745.pdf
- http://chataphan.com/file_media/file_image/file/xaxokelewilazoxunusemep.pdf
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/didobexokobipugovamu.pdf
- http://bajcsidavidfoto.com/_user/file/30363050319.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/25dc661fb2ba2d8ee241666a55584647/zubanobovova.pdf
- http://bioident.pl/photos_fck/file/61968491403.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d78e2ea32b---kijitofulesokosex.pdf
- http://csc028.com/userfiles/file/20210626055038_rci0ae.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/2def34d37a2e115131dc2a23655f0d31/kugogepoxisojoka.pdf
- https://cleaner.pl/userfiles/file/sededefi.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be02be85129---movisadenepisesixeroza.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/18e66eb40d8f00cb1f2c02b69a90aa77/gatofojixufibemuzisos.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+make+changes+to+a+password+protected+excel+file
- 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_off0000faf0.bin66dad05e3239fc911b9e99266b2b724dc7595778e6e8f938a3433f7e79b5ea94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF0 | 17028 bytes |
font_01_sfnt_off00012756.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12756 | 16792 bytes |
font_02_sfnt_off00013f6d.bin4a377475d344ec558766acceb28850580fe646fa09571ef226f4106ba77f467f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F6D | 11340 bytes |
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