MALICIOUS
264
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document exhibits multiple indicators of malicious intent, including a high-confidence ML classification and ClamAV detection as a phishing trojan. The document instructs users to disable security software and provides a password for an archive, strongly suggesting a lure to download and decrypt a malicious payload. While no scripts were extracted, the presence of numerous embedded URLs, many pointing to potentially compromised or disposable hosting, indicates a distribution mechanism for further stages of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 10
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 https://trouver-une-ssii.com/img/pics/files/xunijanabow.pdf In PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/b50138d9bbaecd7e9e384e66bea02326/jizupulusimir.pdfIn PDF document text
- https://kasihpaham.com/contents/files/25532285093.pdfIn PDF document text
- http://ducthanhtam.com/uploads/userfiles/file/47468567512.pdfIn PDF document text
- http://shiokuda1.com/contents/files/kirevovifanolo.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bebda172ef---pipeku.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/9c43363ed861c30d37ff1ab9174b02ba/lugopefipuno.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/kewafudanudofumejikamuk.pdfIn PDF document text
- http://hoanggiaphatstone.com/upload/files/mulogowesigelon.pdfIn PDF document text
- http://adfaveo.com/image/files/20210917_162809.pdfIn PDF document text
- https://nevisnews.com/userfiles/nemabumumezezawegiwi.pdfIn PDF document text
- http://www.hebrewforreadingcomprehension.com/content/32342904047.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/81011118366.pdfIn PDF document text
- http://cansuyu.org/resimler/files/sokuzezufaroseperu.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/90558863045.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/mudigijixeseluzor.pdfIn PDF document text
- https://demircanticaret.com/userfiles/file/57424345955.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/52710597333.pdfIn PDF document text
- https://polenhosting.com/calisma2/files/uploads/64708492945.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/gebilukadiripibulalujudu.pdfIn PDF document text
- http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/xukatefopu.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/4godu5tbvn5g8e4o7jasmj2q9c/wekum.pdfIn PDF document text
- http://kukdae.com/files/fckeditor/file/92124277764.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=battle+realms+download+for+androidPDF 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_off0000e417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE417 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC29 | 19236 bytes |
SHA-256: 9d79e24c8495ae10bfcfcfe91ba9766087148dccd1a7c95b49d0104690772926 |
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font_02_sfnt_off00012dd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DD6 | 10656 bytes |
SHA-256: 84c87a2ac75e692e0f648025fff0e116a15d96fbec646c95768c383530d979e8 |
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