MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a phishing or malware distribution lure. It contains embedded JavaScript and multiple external links, with one heuristic specifically identifying a link to an algorithmically-generated URL. The presence of JavaScript suggests an attempt to execute malicious code or redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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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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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 http://matsusushionline.com/uploads/files/36649653803.pdf In PDF document text
- https://beautydiction.com/ckfinder/userfiles/files/tuxovux.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/xalapofa.pdfIn PDF document text
- https://dcicz.org/userfiles/file/11305578724.pdfIn PDF document text
- https://ewt.cz/res/file/35763292988.pdfIn PDF document text
- http://autofox.lt/ckfinder/userfiles/files/jutine.pdfIn PDF document text
- http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/91496036372.pdfIn PDF document text
- http://seidels-mineralienwelt.de/images/uploaded/file/nufepujetagakasekamagar.pdfIn PDF document text
- https://marwaservicecenter.com/nbloom/fckuploads/file/dadago.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/ligofapuf.pdfIn PDF document text
- https://tidaksusah.com/contents/files/4439125443.pdfIn PDF document text
- http://jtg-antracyt.pl/files/file/pizifal.pdfIn PDF document text
- https://namratalakhotia.com/userfiles/files/kewomuz.pdfIn PDF document text
- http://www.serenissimaservizi.com/files/tubipoboka.pdfIn PDF document text
- https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/425933205.pdfIn PDF document text
- http://bakoca.hu/files/file/1141212615.pdfIn PDF document text
- http://bekescsaba.varosom.hu/userfiles/files/lezowedapiwefetimolug.pdfIn PDF document text
- http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/waluwaborogapevexeni.pdfIn PDF document text
- http://ecohort.com/userfiles/files/51315597951.pdfIn PDF document text
- http://packturf.fr/files/wanotunexuxukukezew.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/27592750855.pdfIn PDF document text
- https://thegioibaobicarton.com/Images_upload/files/49202791536.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=khasakkinte+ithihasam+malayalam+pdf+file+free+downloadPDF 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_off0000e93d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE93D | 11048 bytes |
SHA-256: f76352b56e9d7c5ad788ee1028b7ceeae05103130f4cb5f6470810b151cb9874 |
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font_01_sfnt_off000102ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CA | 18816 bytes |
SHA-256: e82c1c59d1f30aa7389301542838aead8cfd0344a338eb6ca4d0487be1b6eb80 |
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font_02_sfnt_off0001340f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1340F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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