MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting it's designed to redirect users to malicious sites. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://wastran.ru/uplcv?utm_term=marguerite+duras+la+amante+inglesa+pdf PDF link annotation
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ab172d9164---69246030272.pdfIn PDF document text
- http://savvyais.com/userfiles/file/73787963200.pdfIn PDF document text
- http://kiszelyugyvediiroda.hu/docs/file/fiwunub.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/niparakoxadakoju.pdfIn PDF document text
- http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/1f2d18a45f15d2a4546cdaed306a986f/mevabura.pdfIn PDF document text
- https://sportsht.com/userfiles/file/pigosune.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/sopumupav.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/htuf42l0se4ilqnjecmphctop1/20828691187.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/vudemenofememefus.pdfIn PDF document text
- http://happy-land.hu/editor_up/36769919459.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/9c528f5e98d3b9df116a4eed197672e8/97053041542.pdfIn PDF document text
- http://www.vinoplaza.nl/img/upload/files/2901955997.pdfIn PDF document text
- http://saipanbooking.com/FileData/ckfinder/files/20210717_6143672CF0060DBA.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bf57af5bb48---79678874206.pdfIn PDF document text
- http://isvpro.com/custom/files/butisotimedevinobepi.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/dd7ebe5a5e03a22d3193b9b661ea3ddd/90124935739.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/537cf77c8f5a995dc3a93f77ba4585f4/44597405041.pdfIn PDF document text
- http://hoteldarim.ir/basefile/hoteldarimir/files/65744778821.pdfIn PDF document text
- http://studioriggio.it/userfiles/files/nowenivob.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/febijinologoriremuguk.pdfIn PDF document text
- https://mmagame.com/userfiles/file/wizekozaxevusudug.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/wunafivuda.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/96624327581.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091849031ef6---kinidavenu.pdfIn 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://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_off0000c423.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC423 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC3A | 10812 bytes |
SHA-256: 826d710d9cc79676ff0ec5275b542a92de9abc25d1f7b9c9dd4415a64267cb98 |
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font_02_sfnt_off0000f4e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E1 | 18320 bytes |
SHA-256: d6a8d89b9c9498743cb0d861b0f81b3b311dad0b0a44f9e404bb7b3f27ff3ac9 |
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