MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised CMS upload storage, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The sample's structure as a link farm on disposable hosting further supports its role in directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/ba22168a5a2e46b86772f55e04b1477a/robiwavazenepuden.pdf In PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/f647b8f8ce6ed88cb72d54de992d7a54/ziziguxelawabiwe.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecef1a74e6---36533682853.pdfIn PDF document text
- http://clinicaveterinariagussago.com/userfiles/files/varejufozamazexuledizula.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/b32eb00fd84ae6984b95ef6f672bbf79/37022825416.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836676e5cb3---munatuj.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160d09825d3870---64360170544.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ff79f0840---18529999593.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160769fcd20ef2---37966475901.pdfIn PDF document text
- http://luingpyrex.cz/foto/Image/file/89120039122.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/06e24ef1dcdb9413ce64b384239a0b09/17780372480.pdfIn PDF document text
- http://luyenthidhcanhsat.com/Images_upload/files/lavulefanusibututuzig.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021051521052373499.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/7cf573f1324f4555a44032f23a58193f/24649845250.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23259c8b97---tuferurojalutebopi.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160827e01c9a58---koximapubedonuluxubi.pdfIn PDF document text
- https://pubgpin.com/calisma2/files/uploads/tutabowawoxerizokat.pdfIn PDF document text
- https://veterinarycarefoundation.org/userfiles/file/gezusutojuxa.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a76f7fa6ef5---porumawexifetes.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/4tvorcogj4aqftq1f4mboq5f17/gabuzanibun.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/rj15aju3set820unro5umjh83d/77405483729.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077565662cf7---lerijawikuzekosabotoga.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/4t7pg56ldsv5srh3eqiskod47e/magaledadatap.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607af7239724c---momejuwijaxi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=have+a+presencePDF 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_off0000ecaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C1 | 16724 bytes |
SHA-256: 3c6214470c653f1aabcaae60425d0772062a8ecc450f81a92b6652bd3307fa41 |
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font_02_sfnt_off0001301c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1301C | 10068 bytes |
SHA-256: 6405be2a582928c97829ba42bf4f59230dcd626a634efce7ed9f49b2679cf97a |
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