MALICIOUS
244
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. Heuristics suggest the document attempts to bypass security software and lure users with a password-protected archive or download, common tactics for malware delivery. The numerous links hosted on disposable domains further support a malicious campaign aimed at distributing further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 9
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://murito.fr/ckfinder/userfiles/files/66876197155.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/09bc0ae3afc72e501ba2fd675fea79a2/83353071929.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/6a48d46be4272955a16fc81b3ad8c790/juzut.pdf
- http://jfac.kr/ckfinder/userfiles/files/lebanubofederaseg.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/da3b365930d3a9e00bfe901ea39e1756/widinulimusupimav.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/5022035d2d74abd15d896145681b4833/vivotudoribezenadudeveko.pdf
- https://olivier-daulte.com/ckfinder/userfiles/files/xenoragodanatulunoros.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/bnqjaaiefihms7k0r2tidi66hj/93983721257.pdf
- https://carrieres-pierre.com/userfiles/file/45484573541.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c347389069---7717260453.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/f04ean7m6gtsd4ddbhbb3kcc3h/83695646223.pdf
- http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/84601884248.pdf
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/fc32aa1aa2b0f272e57ede2a49038bb7/wodozozazinamuxawenoful.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/ab50c367f6c084a71fd82f9093dead2c/bekufuna.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/6614e48a3b5e27de54259f852cf17b24/7512480973.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160722fc8da609---zunoxikadijajuked.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070128d8d7ab---26258868048.pdf
- http://zulassung4you.de/bilder/file/fazedofa.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16081815912b92---84820768337.pdf
- http://hayatteknoloji.com/webimage/file/tilevepodedugosebazu.pdf
- https://weeb.nu/userfiles/file/22404204522.pdf
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4f8ac92c5---19511415489.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=injector+csgo+download
- 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_off0000b854.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB854 | 16792 bytes |
font_01_sfnt_off0000d06b.bin64537d416e35077eb8ca185c668b103886861be2eafcaeab183c2ffeaa8c546f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD06B | 10620 bytes |
font_02_sfnt_off0000e8bf.bin8d1e00d32c586335d039a3a631da43f0a228f41228c51132f32ee624144968c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8BF | 16572 bytes |
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