MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm on disposable domains, suggesting a phishing or malware distribution lure. The embedded URLs point to various PDF files hosted on potentially untrusted domains, reinforcing the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://cafesezony.ru/fck_editor_files/files/73276473716.pdf In PDF document text
- http://d2dgroup.net/upload/files/buruvafixidojuzopiwek.pdfIn PDF document text
- http://freewest.at/34905747662.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210904141836425.pdfIn PDF document text
- https://swapnauraan.com/ckfinder/userfiles/files/10768870886.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16132d8e4c44d1---94607374349.pdfIn PDF document text
- http://linyuepharm.com/upload/files/vitorumidopilisubakori.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/8695673558.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/balidudutonaruratufeva.pdfIn PDF document text
- https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/22391792656.pdfIn PDF document text
- http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/56293514761.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/gomire.pdfIn PDF document text
- https://distriparkbotlek.nl/userfiles/files/29515909278.pdfIn PDF document text
- http://awfiowv.love-mrt.com/upload/files/sekovimufopexolabunitek.pdfIn PDF document text
- http://www.sm.ac.th/ckfinder/userfiles/files/xozetes.pdfIn PDF document text
- http://esejsc.com/upload/files/didixakiximawaf.pdfIn PDF document text
- http://a2hgghk.handylover.com/upload/files/4985680789.pdfIn PDF document text
- http://mocphatreal.com/assets/images/ckfinder/files/36138479657.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/0a7c1212500222f1761f93220b8ffb5a/70033904106.pdfIn PDF document text
- https://sahodayabbsr.com/test/fckeditor/file/zivegaxadaxovobizumor.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/90688939193.pdfIn PDF document text
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/lusegujulodos.pdfIn PDF document text
- https://indiansabroad.uk/userfiles/file/juzepowasafuwujedorufifel.pdfIn PDF document text
- http://kronospan-mofa-hungary.hu/editor_up/kukexitosegomivi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=justsystem+atok+androidPDF 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_off0000b905.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB905 | 19436 bytes |
SHA-256: a4a2bbb248673dc19d1c64972357319cf24a234f64f7f4903b1c9500de18e4db |
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font_01_sfnt_off0000ec16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC16 | 10660 bytes |
SHA-256: 4a636371d336251f192d8cf26be5dee16450d3df908373c3f325e3aec74280fc |
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font_02_sfnt_off00010499.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10499 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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