MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier flagged it with high confidence. Heuristics indicate embedded JavaScript and a link farm pointing to potentially compromised domains, suggesting an attempt to redirect users to malicious sites. The presence of embedded JavaScript indicates a potential for further malicious actions, such as downloading additional payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://cakesandcupcakes.net/userfiles/files/27392474205.pdf
- https://ibexquimica.com.br/ckfinder/userfiles/files/rasimokigob.pdf
- http://www.benyowsky.com/resources/files/libekuruv.pdf
- https://tjp2-hotlink-j3t.com/contents/files/1091723229.pdf
- http://riph.pl/userfiles/file/86300543296.pdf
- http://djapm.com/userfiles/file/39550600390.pdf
- https://jerseyshorepirates.com/userfiles/files/45082851045.pdf
- https://institutdesante.org/userfiles/file/galixesifivalajibumazor.pdf
- http://manuale.aziendasulweb.it/userfiles/files/gosawo.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e935d19e2---40890840169.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4dbbc81f6---23142503781.pdf
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/feniwalikefano.pdf
- https://romalasergroup.com/userfiles/files/pagezotisal.pdf
- http://duda-tech.pl/dudatech/upload/file/60343744286.pdf
- http://sissonne.hu/editor_up/80938636457.pdf
- https://interference.ajoda.eu/userfiles/files/timigukarulizogibiwa.pdf
- http://gachmenminhchien.com/media/ftp/file/24301226223.pdf
- http://tantos.jp/js/upload/files/kinuzefanulira.pdf
- http://lammensfilip.be/uploads/files/pemusasenefal.pdf
- http://hoteldanang.vn/uploads/images/files/kusolekofar.pdf
- http://monikaknoblochova.com/userfiles/file/bopamawomazelavop.pdf
- https://nayyaralidada.net/alpha/ckfinder/userfiles/files/sizejusalatubejoxefewiliv.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ffffba4b45f2d05d07bd8ecbc07928ba/91547736333.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=view+hidden+instagram+stories
- 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_off0000d54c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD54C | 16792 bytes |
font_01_sfnt_off0000ed63.bin28b4c86c77f84183afb16d391b3519198254c90485bc9bcc1a202f866afe5900 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED63 | 10704 bytes |
font_02_sfnt_off000105a8.bine6d8fbea927bd6e6e717ac45d0396d918b8974a442f35ac54f704829028b7ab0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105A8 | 18584 bytes |
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