MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and numerous external links, including one to an algorithmically-generated URL, suggesting a phishing or malware distribution attempt. The PDF is also described as a link farm on disposable hosting, further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://allytemp.ru/uplcv?utm_term=antutu+score+list PDF link annotation
- https://adeptos.clevercloud.pt/images/items/files/48302308906.pdfIn PDF document text
- http://ip-malkov.ru/uploads/files/56748943992.pdfIn PDF document text
- http://levant-tekstil.com/other_files/File/besej.pdfIn PDF document text
- http://malovanesklomh.cz/images/file/gotizaz.pdfIn PDF document text
- http://georgewongdesign.com/gwd/upload/files/70592385910.pdfIn PDF document text
- https://ceccargiurgiu.ro/userfiles/file/wilidemeto.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/begux.pdfIn PDF document text
- https://eternalbliss.net/file/wifevezojogatem.pdfIn PDF document text
- http://1night2day.com/ckupload/files/4408926761.pdfIn PDF document text
- http://coniperfumes.cl/js/ckfinder/userfiles/files/51812601990.pdfIn PDF document text
- http://1night2daytour.com/ckupload/files/kokusos.pdfIn PDF document text
- http://jiendurancecoaching.com/ckfinder/userfiles/files/petizenasavotizu.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/19188233869.pdfIn PDF document text
- https://dichvuketoanvn.org/uploads/files/45637292348.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/dl813iudova94i4ggdafqjfb45/42179000385.pdfIn PDF document text
- https://kltccompany.com/ckfinder/userfiles/files/63552848745.pdfIn PDF document text
- http://aprt1day.ru/file/vakujapemutoxizetopajoro.pdfIn PDF document text
- http://moonlightmontessori.com/upload/files/sivekurotuva.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614316427d544---61704488285.pdfIn PDF document text
- http://ambulatorioveterinariobubiniregini.eu/userfiles/files/rapikomovabuxozewaki.pdfIn PDF document text
- https://hotelgaric.com/upload/datoteke/fiboxikoxosomoxar.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210916234434.pdfIn PDF document text
- https://infiniteprospects.com/FCKeditor/file/zirawa.pdfIn PDF document text
- https://taipeitccia.org/CKEdit/upload/files/gajawarosifagunomabupe.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_off0000deab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEAB | 10140 bytes |
SHA-256: 5debff1e5f0403ba2deb6d7f77551d3fb9322c698f7d4b717b5e5d53c3cb9d84 |
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font_01_sfnt_off0000f57e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D90 | 17240 bytes |
SHA-256: 2be907a32af3ca49403a07429a8f8ca4eaae54e86caba1d10e4c6ba6ac77cc37 |
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