MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable domains and are flagged as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://pistant.ru/uplcv?utm_term=gtv+live+sports+app+download PDF link annotation
- http://cardealer-space.com/js/upload/files/34857843646.pdfIn PDF document text
- https://felixtrail.com/imagini_ws/vatujire.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/wamoroj.pdfIn PDF document text
- https://cplastik.eu/data/cms/file/jorodigemuzalelikag.pdfIn PDF document text
- http://iburgisidimarsala.eu/userfiles/files/gesibaduma.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/2021921835547222.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/lilolexun.pdfIn PDF document text
- http://ambulatorioveterinariocigliano.com/userfiles/files/389344147.pdfIn PDF document text
- https://www.suep.gr/ckfinder/userfiles/files/38805401044.pdfIn PDF document text
- http://adice-area.com/pictures/files/81866743778.pdfIn PDF document text
- http://lifecare4all.com/upload/files/dizovaxuwudazudamamive.pdfIn PDF document text
- http://placc.info/up_image/72654773079.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/geduwutojimozaz.pdfIn PDF document text
- https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/bizuxu.pdfIn PDF document text
- https://medius.sk/userfiles/file/nodonedexuj.pdfIn PDF document text
- http://cegled.varosom.hu/userfiles/files/litobexizemelokirud.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/peguxinediwiwowasasuzesos.pdfIn PDF document text
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vikegeg.pdfIn PDF document text
- https://perkunasstudio.com/uploads/files/202109220157074117.pdfIn PDF document text
- https://ispartaorganizasyon.com/ckfinder/upload/files/38572737624.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16132e67f5cf06---38710135068.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ahrgdfudv3jlgel7gkgs0pu9kq/perilifasarazurutezabog.pdfIn PDF document text
- http://sevennews.com.br/ckfinder/userfiles/files/moxijatodarixamadunodunaw.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_off0000b268.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB268 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA7F | 10576 bytes |
SHA-256: aa986fbcd4c5aadf3b805071bf6fcc5a59b494d26a258cb5ca1530a41f7fd507 |
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font_02_sfnt_off0000e2ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CE | 16292 bytes |
SHA-256: 9190e0e68353410326ef56ec70d91db3b16ad0824245e7f7eb5cec252f4bcf53 |
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