MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. The presence of embedded JavaScript and a link farm pointing to compromised WordPress sites suggests an attempt to deliver a secondary payload, likely disguised as a password-protected archive. The document's structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/4f9e1dfa02733bf12b202db427c8ffea/leripebudaro.pdf
- http://cardealer-space.com/js/upload/files/nefel.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/63j491s8qhoskqaq08pri0s4p3/nepagixujawek.pdf
- http://goodtraefarm.com/ckupload/files/danapom.pdf
- http://tradeweb.es/userfiles/file/69429627785.pdf
- http://leebyunghun.kr/new/upload/board/files/gidajedebifigeju.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/7c880f6b68c2c4d328ce193b0744c398/26784503323.pdf
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/2morh2rj84u4qo1mmsln313f7o/79188560784.pdf
- https://rinducm1.com/contents//files/zaxefenomemu.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/sgoi08p636qr7rpmn33139lfa8/mumifosamelavixafude.pdf
- http://ovodatar.hu/userfiles/file/17939865176.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813a41c1065---wevogafo.pdf
- http://beijinghuojia.cn/userfiles/file/dugesafedipapedalolur.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16090caae4239c---norobowifaxebuguro.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2d6f1a1e4d---bugolerilanuwuxagixenijo.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/u69hk46kfegjksihmi05qgj5n1/jonofesiropamoxakum.pdf
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d38233c5a---41098221083.pdf
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/1999fc0cb666c806b3488bd902325d8d/36043582339.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/8cf82caec72baf5ad23b6754c82bdaa6/51722830.pdf
- http://vzwsportenmuziek.com/content_docs/gulirilidabagiwil.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=tabla+periodica+radio+atomico+energia+ionizacion
- 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_off0000d409.binbd70049d514d00ab6f0263e192adcd0b29bc9f8328c26063d3c14d7e2a398f2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD409 | 10852 bytes |
font_01_sfnt_off0000eca0.bin847482206553515dbe44502342fefd11a482258bd8cec3795635db74a5a46aa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA0 | 16572 bytes |
font_02_sfnt_off000115af.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115AF | 16792 bytes |
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