MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document that exhibits characteristics of a phishing lure, as indicated by the 'SE_CALLBACK_LURE' heuristic and the presence of numerous embedded URLs pointing to compromised websites. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are designed to direct users to potentially malicious content, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 6
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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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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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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://crewmak.ru/uplcv?utm_term=list+of+thesis+topics+for+architecture+pdf PDF link annotation
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081353f8c733---tulaxiki.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16086c44a1f087---13148170120.pdfIn PDF document text
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/1314afc971d447540f87be5d418a5ce2/banar.pdfIn PDF document text
- https://werbemittelag.ch/upload/file/rexakemononig.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b43a6097d31---jarifowixaxalos.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/cqes38ksd3483g1re26d5b0dhf/pipepokobezuguxemin.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b986b046e37---37824342012.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16075766cc1573---95631119383.pdfIn PDF document text
- http://amoy-art.com/Upload/file/zirofexalit.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/faxeri.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210521053216841.pdfIn PDF document text
- https://dynasty888.com/image/files/20210613_025249.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16074c46059f0f---74253611331.pdfIn PDF document text
- http://shuswapladystriders.ca/userfiles/file/nuzufebe.pdfIn PDF document text
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/jamofomubunaduxafit.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160abdd2713620---melaxenetujurabe.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa81276580---36273485251.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn 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_off0002f6ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2F6EA | 5152 bytes |
SHA-256: e035f355033947bb81095973a913f289a03845ef3f242f77b17dfc30597fba08 |
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font_01_sfnt_off00030871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x30871 | 19064 bytes |
SHA-256: 3ebb1ceff442bbba1c1113e2a3464263a21fb8b36766710ce1543ff84ca26e7c |
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font_02_sfnt_off000340b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x340B7 | 16180 bytes |
SHA-256: d17f4ebd66e8b177194d28fe2a5351c1adac92f8d13a7ddd363ea807488771a5 |
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