MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's used to redirect users to potentially harmful sites. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://gr-chem.com/upload/files/72693041661.pdf In PDF document text
- http://yuqiaohome.com/uploads/files/202109020647454801.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/78021584440.pdfIn PDF document text
- http://kaithompson.com/userfiles/file/sudorekutupigebinizu.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/wakujaripokimo.pdfIn PDF document text
- http://tiquital.com/documentos/file/vikekabisadep.pdfIn PDF document text
- https://client-sms.com/ckfinder/userfiles/files/fazedebaxig.pdfIn PDF document text
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/28740555131.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161363c37b67c2---wiwonoma.pdfIn PDF document text
- http://candybeauty.vn/upload/files/xonarip.pdfIn PDF document text
- http://adhunikjewellers.com/ckfinder/userfiles/files/muxek.pdfIn PDF document text
- http://aftp.bg/userfiles/file/gatabuf.pdfIn PDF document text
- http://rvhifi.cz/files/file/70667790129.pdfIn PDF document text
- https://binarbaidtrading.com/public_html/userfiles/file/37068680373.pdfIn PDF document text
- https://penal-garazh.ru/files/tikevewageto.pdfIn PDF document text
- http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/zifekolalan.pdfIn PDF document text
- http://autowagon.it/userfiles/files/mijixome.pdfIn PDF document text
- http://vitalenzyme.com/uploads/fckupload/file/rugugejizutalad.pdfIn PDF document text
- https://idealist.ro/userfiles/file/94127859962.pdfIn PDF document text
- https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/54018804356.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/65451862557.pdfIn PDF document text
- http://xn--80aadcnaeutgftohcogh8i8dsc.xn--p1ai/pict/file/53460406151.pdfIn PDF document text
- https://apc-algercentre.dz/ckfinder/userfiles/files/dirinemofegop.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/noguxot.pdfIn PDF document text
- https://comtraining.cl/userfiles/files/xexexizebedopi.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/25527083971.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=musette+bach+piano+pdfPDF 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_off0000d4a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4A6 | 10804 bytes |
SHA-256: e6a598da70a436ef4053c690c3bf41008e3b4145994cb731c6d869f7d8e184f1 |
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font_01_sfnt_off0000ed49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED49 | 19160 bytes |
SHA-256: 7240f2e81131d9bae7248738756de4121663c5d2148b91c5c2ce609f551d6c8a |
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font_02_sfnt_off0001203f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1203F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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