MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and multiple external links, some pointing to compromised WordPress upload storage and disposable hosting, suggesting it's part of a link farm. The 'SE_CALLBACK_LURE' heuristic indicates the document's content is designed to trick users into calling a phone number, a common tactic in phishing and tech-support scams. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
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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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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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 http://tiszaladany.hu/upload/file/82042893675.pdf
- https://tskrea.com/userfiles/file/rafusukekubexikugimewesi.pdf
- https://ptogel1.com/contents/files/48582136384.pdf
- https://excellencetogether.com/img/files/file/lazomosukesoxugexonifip.pdf
- http://hainfelderteich.at/gonakigaxebabibunove.pdf
- https://noelex22.org/userfiles/file/79070452609.pdf
- http://maezawa-jidousha.com/js/upload/files/zevakajorusiveper.pdf
- https://naveenent.com/administrator/imagetemp/file/gozenidagavafuse.pdf
- http://nanoservice.cz/upload/file/biwojisarekateso.pdf
- http://cancunday.com/travela/img/files/kodorozamigerubemefilof.pdf
- https://kstraders.com/userfiles/file/wusonamibeba.pdf
- https://pergamine.com/ckfinder/userfiles/files/babefivej.pdf
- https://grandplaza.bg/uploads/assets/file/71227621517.pdf
- http://s-pack.kr/userfiles/file/20210912114517.pdf
- http://cungcapluonech.com/upload/files/64815935525.pdf
- https://jf-orvalho.pt/userfiles/file/joxuvigekojo.pdf
- https://360clothing.in/home/www360cl/public_html/uploads/images/files/zoramuvodidupijejapejelos.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/00303c153c9412d4a6395307a0052af7/mowubopuxamivup.pdf
- https://pecsikult.hu/files/file/13274335011.pdf
- https://zhansq.cn/upload/file/9983684509.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c061e2e1e8---88656789233.pdf
- http://factorycontrolprojects.com/userfiles/file/33360317449.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156305da0a47---foxasani.pdf
- http://barcabianca.eu/upload/file/litomozuzalofi.pdf
- http://goldenteriyaki.com/uploads/files/jemonumasuv.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a7d29a6d7---3969148551.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=halo+for+android+apk
- 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_off0000b6eb.bin5b9eddc328b7af94257cf95a4816f215e86341414d5a7b8d9ef3b7df187fd144 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6EB | 10176 bytes |
font_01_sfnt_off0000cda2.bindbb7c72874d90c2985a1058d1fd77079b551467a911df8563f185924102b3104 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA2 | 18676 bytes |
font_02_sfnt_off0000fd3d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3D | 16792 bytes |
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