MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of these links and the overall structure strongly suggest a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
Heuristics 6
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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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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://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815166daba9---39954925105.pdf In PDF document text
- https://roweryelectra.pl/app/webroot/uploads/file/16215208453236.pdfIn PDF document text
- https://unserbiokorb.ch/userfiles/file/menefaloxogijow.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4d958186b6---magimapud.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607916c8c8646---50108723953.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/da958201df7a770fb19f9f4d13146695/74958409604.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd3700d731---jaxepolilolidal.pdfIn PDF document text
- http://mid-europe-ex.com/tinonukadodawozagafusi.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/0f5db7766f05541c07b0f1fa97d937bd/fowapumanoxab.pdfIn PDF document text
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/turibezefilenopimenam.pdfIn PDF document text
- http://crmrealty360degree.in/userfiles/file/lizedebugo.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/a3625bf3d3f5f2567d7c0db5e3d8a92c/pepasiwitezotujer.pdfIn PDF document text
- http://tatishev.ru/admin/ckfinder/userfiles/files/wureraledimavonupimapaso.pdfIn PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/4ccf7203fbf632da6b9b2418019cb763/lilogokaponul.pdfIn PDF document text
- http://kotolantopeni.cz/file/pobubexaxejepajomarifofu.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/f7bd10d4670b6d05d4f6fe4c426343c0/50373898969.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/nb6j8ucs2vvl9n3336hpr4g5qd/74868559435.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/8f8a3166beab7baed4633a921d5bf934/77412585790.pdfIn PDF document text
- http://linhkienhunganh.vn/luutru/files/jujujovotoxoduzodowegab.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16087784a40c81---13359075920.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/notagokebasukulitoremi.pdfIn PDF document text
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9d49e7cb1---49814236729.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/s5vfd9nnnv5gbbt47unausg5bm/wufal.pdfIn PDF document text
- http://citywideok.com/clients/75789/File/51721799287.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c89ec4ef1c8---14383549208.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=caloric+testing+nystagmusPDF 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_off000133b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133B9 | 17832 bytes |
SHA-256: 4d96d18176f1aef5e07e9e13602e308ba6b7da9e6c616d2253701284a0028ab5 |
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font_01_sfnt_off00016226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16226 | 10816 bytes |
SHA-256: 34a7ea2a82320095d368d5d30ea5656251303ed5a3519ac3e2fd4e80d2454d4f |
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font_02_sfnt_off00017b2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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