MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests it functions as a link farm, directing users to numerous distinct domains. While no scripts were explicitly extracted, the presence of embedded URLs and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://prakseologia.eu/userfiles/file/bezorekina.pdf In PDF document text
- https://himalayanthailand.com/image/upload/File/65593623671.pdfIn PDF document text
- https://mintedimages.com/ckfinder/userfiles/files/68465535143.pdfIn PDF document text
- http://envisystem.com/upload/userfile/files/lidekuwobivusujuliwuvibad.pdfIn PDF document text
- http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/77381994461.pdfIn PDF document text
- http://shyjjc.com/v15/Upload/file/2021916157443124.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/zogopokavadisuwela.pdfIn PDF document text
- http://eecca.stocker-development.com/uploads/ckfinder/files/kevidol.pdfIn PDF document text
- http://zechnerbau.at/images/content/files/3289941172.pdfIn PDF document text
- http://cravaluos.com/ckfinder/userfiles/files/lufuvasu.pdfIn PDF document text
- https://vetamblj.si/ckfinder/userfiles/files/dipuxasoditejedene.pdfIn PDF document text
- https://presstone.hu/userfiles/file/50505418488.pdfIn PDF document text
- http://moristas.com/userfiles/files/43090002962.pdfIn PDF document text
- https://wheelmartthailand.com/image/upload/File/74224725967.pdfIn PDF document text
- http://gyermekhaz.hu/Content/site_images/files/73299416505.pdfIn PDF document text
- http://kientrucphatloc.com/upload/files/zetefufaj.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/puzefo.pdfIn PDF document text
- https://academiapreprod.riportico.com/userfiles/files/fogefa.pdfIn PDF document text
- http://agenziaimmobiliarecannavo.eu/userfiles/files/54446304757.pdfIn PDF document text
- http://stroyindustry.com/userfiles/file/pofapivevefabavijajewuri.pdfIn PDF document text
- http://arnoldbolingbroke.com/ckfinder/userfiles/files/jovenilomu.pdfIn PDF document text
- http://www.mostex.sk/files/articles/file/jigirigepero.pdfIn PDF document text
- http://hattingtoemrerogsnedker.dk/userfiles/file/vobusinisutanozarerasud.pdfIn PDF document text
- http://nguoiquangphianam.com/uploads/files/60107912007.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=quick+shortcut+maker+pro+apkPDF 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_off0000b1c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1C9 | 16912 bytes |
SHA-256: 5ac5b2cdfb9109d3183bc9d5ee023553663a08226335401158c7f1222613ecb9 |
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font_01_sfnt_off0000dce3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f4fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4FA | 10740 bytes |
SHA-256: 4b627f091a5787593978bf03a9e9bf1e66422f493c7de7dff9df016fec55987c |
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