MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple links to external resources, with a high-confidence heuristic identifying a link to algorithmically-generated malware. The PDF is also flagged as a link farm on disposable hosting, suggesting an attempt to distribute malicious files. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://coretry.ru/uplcv?utm_term=debussy+reverie+sheet+music+pdf PDF link annotation
- http://guchen.ru/d/files/33032190027.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/291d7dd4a72746253aef3553d19a425f/24170410782.pdfIn PDF document text
- https://mcq.bmtinhoc.vn/InteriorWeb/images/images_news/files/2328729023.pdfIn PDF document text
- http://actlogistic.vn/upload/editor/files/37819574273.pdfIn PDF document text
- http://unibox.lv/files/text/2736691741.pdfIn PDF document text
- http://rc-saty.cz/gais/image/file/8765118782.pdfIn PDF document text
- http://zuche0551.com/upload/file/12483533082.pdfIn PDF document text
- https://everywheregenes.com/uploadfile/qu26_qu106_com/files/gameropug.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/6835285521.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/ratuvazuvogivebuwitagatur.pdfIn PDF document text
- http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/rovapenizudunuzuvexe.pdfIn PDF document text
- http://escritacontabilidade.net/fotos/news/file/kugafibupebuxana.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/zavum.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/japubo.pdfIn PDF document text
- http://xn----7sbicwad4afgcgd5aph7d5e.xn--p1ai/ckfinder/userfiles/files/5384430024.pdfIn PDF document text
- http://elpijisystem.com/file/19945005934.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/9150237531.pdfIn PDF document text
- https://ijtm.in/userfiles/file/59560538391.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/gitusud.pdfIn PDF document text
- http://dreamsurgerycn.com/ckupload/files/5430521464.pdfIn PDF document text
- http://veterinarioassociatopacinidallatorre.eu/userfiles/files/rowowidagabem.pdfIn PDF document text
- https://cet.sk/res/file/42502728088.pdfIn PDF document text
- https://beta.nhatthiengroup.com/files/uploaded/files/56022986709.pdfIn PDF document text
- http://www.motocams.cz/ckfinder/userfiles/files/bipomotutigifarunimuxozi.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_off0000d20a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD20A | 17044 bytes |
SHA-256: b90bc6528a1a999ecbacf7630ae63bca4099caf281d4b0fda09a2bfe92332666 |
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font_01_sfnt_off0000fdaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C1 | 10876 bytes |
SHA-256: 61851ce5d7d6f6d32d54f23f7b275c772d65a5fd5574ea0bdda45b0d5fc4d2fc |
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