MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the PDF functions as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an attempt to distribute traffic or obscure the ultimate destination, consistent with phishing or malware distribution tactics.
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 http://spadhotel.com/basefile/spadhotelcom/files/wazobela.pdf In PDF document text
- http://feriaalainversa.com/uploaded/files/wenakizazuxixo.pdfIn PDF document text
- http://niktid.ru/userfiles/file/wijugirisuwovefojebivevu.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/vosakika.pdfIn PDF document text
- http://amy-tsai.com/images_express/userfiles/files/baratur.pdfIn PDF document text
- http://www.majbrno.cz/uploads/files/33155053515.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16158f671ab406---41000311303.pdfIn PDF document text
- http://vesimport.ru/userfiles/file/risufojadutobepixamuvoxew.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/73811640049.pdfIn PDF document text
- http://gpe-el.pro/ckfinder/userfiles/files/baluxubanopetumafipatada.pdfIn PDF document text
- http://patriabrno.cz/userfiles/files/33545085105.pdfIn PDF document text
- https://fruitssupplier.com/app/webroot/img/files/13962824336.pdfIn PDF document text
- https://sherwoodchamber.org/ckfinder/userfiles/files/63330768832.pdfIn PDF document text
- http://vit-physio.de/file/27939006442.pdfIn PDF document text
- http://namuvaldymas.lt/userfiles/file/xefitasup.pdfIn PDF document text
- https://svltv.in/userfiles/files/56930779722.pdfIn PDF document text
- http://nguoigiupviec99.com/webroot/img/files/zuluvubevenegonirox.pdfIn PDF document text
- http://bienchidan.org/uploads/files/dupabibawazoredoner.pdfIn PDF document text
- https://pasarantogel2.com/contents/files/vezisimimufefojog.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/dicg3psv8jf6rf2acdsr16ir5s/88886882328.pdfIn PDF document text
- https://studyhalltracker.com/files/file/milexevaxodanazotu.pdfIn PDF document text
- https://anne-berger.de/sites/anne-berger.de/files/fkcfile/rapazota.pdfIn PDF document text
- http://frutapacargentina.com/ckfinder/userfiles/files/17253890376.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140171fbedb1---64639622049.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=specifies+the+amino+acid+sequence+for+a+proteinPDF 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_off0000af2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF2D | 11160 bytes |
SHA-256: e1b0ccbe8860f77359f1ff821426179067a374a672afa4864ee3da87d3bda5f3 |
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font_01_sfnt_off0000c8d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8D7 | 15128 bytes |
SHA-256: f005d9ae0ced8113cca20319f7f1b5869685b1e154d8a45cf469f389756d3f1c |
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font_02_sfnt_off0000ee9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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