MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous links pointing to compromised WordPress upload directories, suggesting it's part of a link farm designed to distribute malicious content or manipulate search engine results. The presence of multiple distinct hosts and a high number of links indicates a coordinated effort.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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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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://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a63422a51---17652862026.pdf In PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/57570161308.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/b2e853269d6ecc79b3db90d8ab4e1048/gaminajefutexedo.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/dukukodisurovepafinijuwin.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aa749291c12---luzetavixej.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/ca6d2443eff965000fb490f43b172c26/54731973214.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097a65db6c64---84041718741.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/1f81b22f5bcbf049b68766b9375cd491/45325132624.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/33641af55ad81248d8bf663cd9d1affa/rusogirosub.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077d6d2d6672---32154209275.pdfIn PDF document text
- http://surtek.biz/image/files/20150121_125730.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/4292ae8ff49d902fc715c46fa1848547/gikubovegusasugo.pdfIn PDF document text
- http://shreejians.com/userfiles/file/96261415727.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/9e403805cc8058f7da2d7ad6e5d9cada/gofidaxodidepukojo.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/i8b6u7uivjkh0e86ldk050tv80/wuzetalifoxesakidogizodi.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cca5de570---49235664005.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/mikonalanigimaxikal.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/82980100435.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/61842252026.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160941904c7896---54270018841.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/rimawaronorab.pdfIn PDF document text
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/r38vu8oubtjfkb7pfsgm89khnr/54179477932.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/8v38clrnl2f4q56n661t8tdjus/wejaniwududorose.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec53d5ae0b---dibiligakipe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=counter+strike+2015PDF 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_off0000ed39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED39 | 10544 bytes |
SHA-256: 6291fa47490fd912960666606be49a2f00a837f809b9ab7ca801b4de4929b663 |
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font_01_sfnt_off00010598.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10598 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011daa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DAA | 19776 bytes |
SHA-256: 96bc035da72697dd22205868e6e85abbf09f55300c17e9502c1637e8b33f451f |
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