MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple domains, a common technique for phishing or malware distribution. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a method to evade gateway scanning. ClamAV detection and ML classification strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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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://drafthe.ru/uplcv?utm_term=upgrade+rom+android
- http://kidneytracker.com/ckfinder/userfiles/files/46805765150.pdf
- http://musthighschool.mn/ckfinder/userfiles/files/zoravezokabikufirev.pdf
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210908051202.pdf
- http://topstec.com/d/files/riletiminirudofikezaxuzul.pdf
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/sovaporozukulovum.pdf
- http://educaholistica.com/resources/img/imagesck/files/37438542202.pdf
- https://tonerihned.cz/userfiles/file/tiwuxirizupexiloputezi.pdf
- https://podimercrm.com/img/files/18899270789.pdf
- https://ou-ravda.com/ckfinder/userfiles/files/76042348290.pdf
- http://cleanking.net/userData/board/file/wonawuwamu.pdf
- https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/30037579249.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16140208f4a59e---35316616882.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/gg2k4r5uadtdf8og1va190vgtm/85382201494.pdf
- http://2478.ru/admin/ckfinder/userfiles/files/fanilevexisipe.pdf
- http://orenprom.com/img/account/file/libel.pdf
- http://ssss-sangam.com/userfiles/file/90834431860.pdf
- https://eqonetech.com/upload/userfiles/files/nipaxomivovozatosuguliren.pdf
- http://teamwork-poetschke.com/ckfinder/userfiles/files/nuvuduzusobor.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614170a947495---vobopigiseripev.pdf
- http://ingatlantv.tv/userfiles/files/3406003131.pdf
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/zegasujurojuwisojowo.pdf
- https://phuketwebstudio.com/ckfinder/userfiles/files/sotedawomunix.pdf
- https://mytekas.com/UserFiles/file/wotivimewijuwexuxol.pdf
- http://genarchi.com/data/temp/file/wenekepalezaradomud.pdf
- 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_off0000d497.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD497 | 16792 bytes |
font_01_sfnt_off0000eca9.binedd1cafb226dad41bc3be8e34c6b0a4dcc3d46de999cca0f8f92865327e5549e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA9 | 21060 bytes |
font_02_sfnt_off00012306.bin7a249e2ef7a86f448c76cbfb45262d6743e1443de2fbffd3d85b26924aafe798 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12306 | 10428 bytes |
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